# Public School Teacher - Annual Salary - Algebra

by Sha
(Atlanta, GA)

problem #1

the expression: 553.7x+27,966

can be used to approximate the average annual salary in dollars of public school teacher in the year 1985+x

1.what was the average teacher's salary in 1993?

2. in which year will the average salary reach \$45,000?

problem #2

the price of a stock on friday was \$39. on the following monday, the price went up \$3, on tuesday, it went down \$5, and on wednesday, it went down another \$2. what is the price of the stock then?

### Comments for Public School Teacher - Annual Salary - Algebra

 Mar 13, 2012 School Teacher Salary & Stock Price by: Staff Question: by Sha (Atlanta, GA) problem #1 the expression: 553.7x+27,966 can be used to approximate the average annual salary in dollars of public school teacher in the year 1985+x 1.what was the average teacher's salary in 1993? 2. in which year will the average salary reach \$45,000? problem #2 the price of a stock on friday was \$39. on the following monday, the price went up \$3, on tuesday, it went down \$5, and on wednesday, it went down another \$2. what is the price of the stock then? Answer: problem #1 1.what was the average teacher's salary in 1993? x = 1993 - 1985 x = 8 Salary = 553.7 * x + 27,966 Salary = 553.7 * 8 + 27,966 Salary = \$32,395.60 2. in which year will the average salary reach \$45,000? Salary = 553.7 * x + 27,966 45,000 = 553.7 * x + 27,966 45,000 - 27,966 = 553.7 * x + 27,966 - 27,966 17,034 = 553.7 * x + 0 17,034 = 553.7 * x 17,034 / 553.7 = 553.7 * x / 553.7 17,034 / 553.7 = x * ( 553.7 / 553.7) 17,034 / 553.7 = x * (1) 17,034 / 553.7 = x 30.764 = x Year = 1985 + x Year = 1985 + 30.764 Year = 2015.76 Year = 2016 problem #2 the price of a stock on friday was \$39. on the following monday, the price went up \$3, on tuesday, it went down \$5, and on wednesday, it went down another \$2. what is the price of the stock then? Price = 39 + 3 - 5 - 2 Price = \$35 Thanks for writing. Staff www.solving-math-problems.com