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Convert Word Problems to Equation, Solve - Math problems.

by Emi
(Palatine, IL, United States)










































1 . Eight Times a number plus 7 is equal to 71. Find that number.

2. four less than twice a number is 28. Find that number.

3. A number is added to 10. Then 4 is subtracted from the sum. The result is 24. Find that number.

4. 7 more than 9 times a number is 106. Find that number.

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Mar 31, 2012
Convert Word Problems to Equation & Solve
by: Staff



Question:

by Emi
(Palatine, IL, United States)


1 . Eight Times a number plus 7 is equal to 71. Find that number.

2. four less than twice a number is 28. Find that number.

3. A number is added to 10. Then 4 is subtracted from the sum. The result is 24. Find that number.

4. 7 more than 9 times a number is 106. Find that number.



Answer:

1 . Eight Times a number plus 7 is equal to 71. Find that number.

Eight Times: 8*

a number: x

plus 7: +7

equal to 71: = 71



8*x + 7 = 71

8*x + 7 - 7 = 71 - 7

8*x + 0 = 71 - 7

8*x = 71 - 7

8*x = 64

8*x/8 = 64/8

x*(8/8) = 64/8

x*(1) = 64/8

x = 64/8

x = 8

>>> the number is: x = 8




2. four less than twice a number is 28. Find that number.

four less: - 4

twice a number: 2*x

is 28: = 28

2*x - 4 = 28

2*x - 4 + 4 = 28 + 4

2*x + 0 = 28 + 4

2*x = 28 + 4

2*x = 32

2*x/2 = 32/2

x*(2/2) = 32/2

x*(1) = 32/2

x = 32/2

x = 16

>>> the number is: x = 16



3. A number is added to 10. Then 4 is subtracted from the sum. The result is 24. Find that number.

A number: x

is added to 10: + 10

4 is subtracted from the sum: - 4

result is 24: = 24



x + 10 - 4 = 24

x + 6 = 24


x + 6 - 6 = 24 - 6

x + 0 = 24 – 6

x = 24 - 6

x = 18

>>> the number is: x = 18



4. 7 more than 9 times a number is 106. Find that number.

7 more: + 7

9 times a number: 9*x

is 106: = 106


9*x + 7 = 106

9*x + 7 - 7 = 106 - 7

9*x + 0 = 106 - 7

9*x = 106 – 7

9*x = 99

9*x/9 = 99/9

x*(9/9) = 99/9

x*(1) = 99/9

x = 99/9

x = 11

>>> the number is: x = 11






Thanks for writing.

Staff
www.solving-math-problems.com



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help[ NEW
by: Anonymous

eight times a number plus 5 times another number is -13. the sum of the two numbers is 1.

Jan 11, 2021
Algebra NEW
by: unknown

The sum of Robert's age and Daniel's age is 40. If Robert is 22 years old, how old is Daniel.

Jan 13, 2021
solve asap NEW
by: Anonymous

write an expression equivalent to 6-4(3-6m)+12m that is the product of two factors

Jan 15, 2021
Help
by: Anonymous

In Alan's class, 15 students play in the local soccer league. They make up 6% of the league. How many students are in the league?

Jan 18, 2021
pls help NEW
by: Anonymous

thirteen less than a number is eighteen

Jan 18, 2021
h NEW
by: Anonymous

the sum of two numbers is 60. the larger number is thrice the smaller numbers. find the numbers.

Jan 21, 2021
plz solve this
by: astrid tha vampire girl

Maggie buys a jar of dip for $3.50, three bags of chips for $4.00 each, and two packages of cookies for $3.00 each. How much does Sam pay in all?

Jan 21, 2021
Solve this for me NEW
by: Anonymous

At a school picnic 15 sandwiches are provided for 8 children. How many sandwiches are needed for 56 children?

Jan 21, 2021
Help me please! <3 NEW
by: Naruto Uzumaki

z subtracted from 172 is 253

Jan 22, 2021
Convert NEW
by: Anonymous

Mary's father is four times as old as Mary. Five years ago he was seven times as old. How old each now?

Jan 22, 2021
Word problem NEW
by: Anonymous

Five less than the product of 8 and a number is 2

Jan 29, 2021
Five less than a number is less than four times the same number plus 7 NEW
by: Anonymous

Five less than a number is less than four times the same number plus 7

Jan 29, 2021
help NEW
by: Anonymous

It costs $90. She has already saved $23. How much more does she need to save?

Feb 01, 2021
i need help NEW
by: kehaulani

the total of 150 and m is equal to 22

Feb 02, 2021
help me NEW
by: Anonymous

suppose that the generator supplies 2kw to an external load gets an input of 2.75 hp, how much power does it deliver?

Feb 08, 2021
Equation NEW
by: Anonymous

The area A of its triangle is proportional to its height K

Feb 10, 2021
story problem NEW
by: Anonymous

Kayden wants to ride his bicycle 29.5 miles this week. He has already ridden 13 miles. If he rides for 3 more days, write and solve an equation which can be used to determine mm, the average number of miles he would have to ride each day to meet his goal.

Feb 11, 2021
I need help solving this NEW
by: Anonymous

Seven years ago, the difference between the age of you and your mother was X. Four years from now, your mother will be three years greater than twice as old as you will be, you will always be five years minus half her age 7 years ago.

Feb 11, 2021
do this word problem NEW
by: Anonymous

Vince has a dog washing business. he washed 8 dogs and earned a total of $119.92. how much does he charge per dog?

Feb 15, 2021
word problem NEW
by: Anonymous

The square root of a number increased by 9 is 27. find the number​

Feb 18, 2021
I need help NEW
by: Penelope

At a basketball​ game,a team made 56 successful shots. They were a combination of​ 1- and​ 2-point shots. The team scored 96 points in all. Write and solve a system of equations to find the number of each type of shot.

Feb 22, 2021
Inequality
by: Anonymous

It cost php. 3.00 to make a pan de sal amd php. 5.00 to make a pan de coco. If production must not exceed to php. 120.00 per day, write an inequality that showa the possible combinations of pan de sal amd pan de coco that can be made

Feb 22, 2021
what is the equation for this NEW
by: Anonymous

The class of 30 students was split into six groups.

Feb 23, 2021
NEED HELP ASAP NEW
by: Anonymous

The length of a rectangle is 4 m more than twice the width. The perimeter is 74 m. What is the length and width of this rectangle? Write an equation to represent the information
given and use algebraic methods to solve it. Use proper word problem format.

Feb 24, 2021
linear
by: Anonymous

Edward and Alphonse were saving their allowance to buy a special gift for their parents’ wedding anniversary. Edward’s savings is 150 more than twice the value of Alphonse’s savings. If together they had 4,650, how much were their individual savings?

Feb 25, 2021
hyperbola NEW
by: Anonymous

Two microphones that are 10 kilometers apart register an explosion. The signal is received by the first microphone 3 seconds prior to the second microphone. Determine the potential locations of the explosion relative to the position of the microphones, assuming the echo ravels at 1.2 kilometers per second.

Feb 25, 2021
mathbit NEW
by: Anonymous

a number is multiplied by 4 and 7 is added to it. the result is the same as multiplying the number by 6 and subtracting 5 from it. write down an equation for the unknown number

Feb 25, 2021
Convert Word Problems to Equation NEW
by: js9

1.Brady had $45. He wanted to buy some comic books at a comic convention. The books were $4 each and it was $5 for a ticket to get in the convention. How many comic books could he buy?
2.Eileen was baking muffins. She needed 2.5 cups of flour for each batch of 12. She had 15 cups of flour. How many muffins could she make? (hint: figure out how many batches she can make, then how many muffins)
3.Jeremy walks 2.7km per day walking to and from school. He wants to know how many days it will take for him to walk 200km. Will he walk 200km during a normal school year?

Mar 01, 2021
new NEW
by: Anonymous

Evaluate two times a number x plus 2 less than thrice that same number if the value of the number x is 10.

Mar 02, 2021
Math NEW
by: Anonymous

find the number such that 4 times the cube of the sum of the number and 2 is 8

Mar 02, 2021
the difference between x and y is at least 10 NEW
by: Anonymous

the difference between x and y is at least 10

Mar 04, 2021
A number less its cube is zero NEW
by: Anonymous

A number less its cube is zero

Mar 08, 2021
Xona NEW
by: Anonymous

Xona takes 2 hours to deliver 150 newspapers. What is the hourly rate at which she delivers the newspapers?

Mar 11, 2021
idk but the the word problem is two step equations also if your in 7th grade you will know what this is. NEW
by: i'm confused ;-;

Julie has $15 more than Kim, and Jodi has $3.75 less than Julie. Togther they have a total of $102.45. How much money do they each have?

Mar 12, 2021
math NEW
by: Anonymous

a bag of rice has a mass of 3 kilograms. Jackie buys 12 bags of rice for the school cafeteria. How many grams of rice did she buy

Mar 14, 2021
i need help.
by: Anonymous

Oil well 1 is located on a side road of 0.9km from the main road. Oil well 2 is located 1.9km further from the road. The storage tanks are on the main road. 2.5km from its intersection with the side road. A pipeline is to be built connecting the wells to the tanks. It cost $3000 per km if it is built along the roads or $4000 per km if it is built directly to the tanks. Which way is cheaper? How much cheaper? (use the pythagorean theorem to solve)

Mar 15, 2021
Help NEW
by: Anonymous

Five less than the product of -3 and a number is -2

Mar 15, 2021
word problem NEW
by: Anonymous

Christian spent $770 to start up a t-shirt company and has to spend $8.50 per shirt to make it. He sells his t-shirts for $14each. Home many t-shirts must he sell in order to break even?

Mar 16, 2021
Word problem I need help with
by: Anonymous

Anna is working two summer jobs, making $18 per hour lifeguarding and making $11 per hour clearing tables. In a given week, she can work a maximum of 14 total hours and must earn at least $210. If Anna worked 12 hours clearing tables, determine the minimum number of whole hours lifeguarding that she must work to meet her requirements.

Mar 17, 2021
Muitiplication NEW
by: Anonymous

A bag contains 4 grams of sugar. If there are 5 bags of that type. What is the amount of Sutherland present?

Mar 17, 2021
feet word problem NEW
by: Anonymous

A 20-foot ladder is placed against a building to reach a window that is 16 feet above the ground. How many feet away from the building is the bottom of the ladder?

Mar 19, 2021
Please help now
by: Anonymous

a large bluefin tuna caught by fishing boar A in the atlantic ocean weighed 1407 pounds. this is 293 pounds less than 5 times the weight of a bluefin tuna caught by fishing boat B in the atlantic ocean. find the weight of the tuna caught by fishing boat B in the atlantic ocean

Mar 21, 2021
help NEW
by: Anonymous

Ethan went to the grocery store and bought bottles of soda and bottles of juice. Each bottle of soda has 45 grams of sugar and each bottle of juice has 35 grams of sugar. Ethan purchased a total of 19 bottles of juice and soda which collectively contain 755 grams of sugar. Determine the number of bottles of soda purchased and the number of bottles of juice purchased.

Mar 25, 2021
problem NEW
by: Anonymous

Last Tuesday, Regal Cinemas sold a total of 2100 movie tickets. Proceeds totaled Php437,500.00. Tickets can be bought in one of 3 ways: a matinee admission costs Php150.00, student admission is Php200.00 all day, and regular admissions are Php250.00. How many of each type of ticket was sold if the total tickets of matinee and regular is the same as students’ tickets?

Mar 25, 2021
problem NEW
by: Anonymous

Last Tuesday, Regal Cinemas sold a total of 2100 movie tickets. Proceeds totaled Php437,500.00. Tickets can be bought in one of 3 ways: a matinee admission costs Php150.00, student admission is Php200.00 all day, and regular admissions are Php250.00. How many of each type of ticket was sold if the total tickets of matinee and regular is the same as students’ tickets?

Mar 25, 2021
Help!! NEW
by: Anonymous

Jamal has 12 stamps with boats on them. This is 40% of his collection. How many stamps does Jamal have in his collection?

Mar 28, 2021
help
by: Anonymous

1. The sum of two numbers is 33. If twice the smaller number is three less than
the bigger number, find the numbers.
2. Paolo can do the job in 6 hours while Timmy can do the same job in 12 hours.
How long will it take them to finish the same job if they work together?
3. Mrs. Sotto and Mrs. Romulo have an average of walking of 2m/s and 3m/s,
respectively. If they leave the same point to opposite directions, how many
seconds have elapsed if they are 50m apart?
4. The sum of Gabby’s age and Miguel’s age is 74. Five years ago, Gabby was
thrice as old as Miguel then. How old is Gabby?
5. The sum of a two-digit number is 6. The number is 12 times the tens digit.
Find the number.

Apr 03, 2021
maths NEW
by: Anonymous

Form an equation to help you solve this problem.

Ed has some money.
He spends £7.50 on a shirt and now has one third of what he started with.

How much money did he start with?

Apr 05, 2021
Permutations
by: Anonymous

How many positive integers of at most 5 digits can be formed from 0, 4, 6, 7, 8 if no digit is repeated?

Apr 07, 2021
Apples
by: Anonymous

Person 1 has 548 apples, person 2 has 278 apples. Person 1 makes 3 apples per week and person 2 makes 10 apples per week. How many weeks will it take person 2 to catch person 1?

Apr 08, 2021
I need an equation NEW
by: Anonymous

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 15 people took the trip. She was able to purchase coach tickets for $160 and first class tickets for $960. She used her total budget for airfare for the trip, which was $9600. How many first class tickets did she buy? How many coach tickets did she buy?

Apr 09, 2021
coolc NEW
by: Anonymous

Tanner owns a painting that is valued at $71,370. If the value of the artwork increases by 6% every year, how much will it be worth in 6 years?

Apr 12, 2021
idk NEW
by: Anonymous

i havent used this yet

Apr 13, 2021
word problems to equation NEW
by: Anonymous

The product of thirteen less than thrice a number and five will result to forty-five

Apr 20, 2021
sloeve NEW
by: Anonymous

It costs $50 to join the drumming club. Students can take drumming lessons for an additional $10 dollars per hour. Write an equation that will tell you how much Kabir will spend if he takes 7 hours of drumming lessons.

Apr 28, 2021
PLEASE HELP
by: Anonymous

if chad buys 7 basketballs and 12 jerseys. The cost of a jersey is one more than triple the cost of a basketball. He spends $180.
what is the system?

May 09, 2021
word problem NEW
by: Anonymous

In Alberta, you pay 10% income tax if your salary is below $ 131,220. Write an inequality that represents which wages pay only 10% in taxes. (think... is there a minimum salary?)

May 10, 2021
help NEW
by: Anonymous

write the expression for a number used as a factor fifteen tines being multiplied by a number used as a factor ten times. then write the product as on power

I can not figure this out plz help

May 11, 2021
Number related Problems
by: Anonymous

1. A number exceeds another by 12. 2. Six years hence. 3. Twice as much 5-centavo coins as 25-centavo coins. 4. Twenty percent less than double last year`s investment. 5. A fifth of the perimeter.

May 12, 2021
Solve NEW
by: Anonymous

Em and Miller are partners in a Calculus Class who plan to get together to finish their term project. Miller started the project 2 days ago and has already finished 10 parts of the paper. Em has not started yet.
a) If Miller solves 5 parts per day while Em solves 6 parts per day, how long will it take for them to solve the same number of problems?
b) If the deadline is one week from today, will they be able to submit the project on time? Why or why not?


May 17, 2021
Help NEW
by: Anonymous

The height of a figure is 5cm more than the base. The base is 7

May 28, 2021
need help NEW
by: Anonymous

Your goal this year is to earn a B or better in Algebra class. If you do, your parents said they would give you $200. Write an inequality to represent the grades you can earn and receive money from your parents for it. Then explain the graph for the inequality.

Jun 05, 2021
Hi NEW
by: Anonymous

G add 7 then divide by 3

Jun 09, 2021
Algebra NEW
by: Anonymous

2. A number is decreased by 5. The square root of this difference is equal to 11.
What is the original number?

Jun 14, 2021
Equation NEW
by: Anonymous

If the roots are -5 and 20 and the parabola's concavity is up. It has been compressed by a factor of 1/4

Jul 21, 2021
inequality problem NEW
by: Anonymous

Three less than x is lower than − 4

Jul 29, 2021
what is the number
by: Anonymous

eight plus four time a number is 8 times the number

Aug 19, 2021
Maths NEW
by: Anonymous

A rectangle house has a primiter of 40 meters and the length is 4 meters more than the width.What are the dimentions of the house?

Aug 26, 2021
translate then solve NEW
by: Anonymous

five times the difference of twice a number and three decreased by the sum of the number and eight, equals 13

Sep 01, 2021
hi NEW
by: Anonymous


Eight less than three times a number

Sep 12, 2021
Word Problems involving Factoring of Polynomials NEW
by: Anonymous

1. The difference of the square of a number and three times the number is 70. Find the number.

2. The product of two consecutive integers is 90. Find the integers.

3. The height of a triangle is 8 cm more than the base. If the area is 24 cm^2, find the height and base of the triangle.

4. The length of a rectangle is 3 times more than the width. If the area is 208 square ft, find the dimensions of the rectangle.

5. The width of a rectangle is 7 centimeters less than twice its length. Its area is 30 square centimeters. Find the dimensions of the rectangle.

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