math - equation - auto expense - cost per mile
A car’s gas tank holds 15 gallons. The car can be driven 400 miles on a single tank of gas.
a. Write an equation which shows the relationship between the number of gallons of gasoline and the distance the car can be driven.
b. How far can the car be driven if there is only 6.3 gallons of gas (rather than 15 gallons)?
c. If the car is driven 14,000 miles in one year, how many gallons of gasoline were used?
d. If the gasoline costs $4.10 per gallon, how much did it cost to purchase gasoline for the entire year.
e. Compute miles per gallon.
f. What is the gasoline cost per mile?