Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman

Exercise 108

For the following numbers, perform the indicated operation. Give the result in decimal form.
a. What is the total cost of fuel for a 3,003 mile trip if your vehicle gets 15.4 miles per gallon and the average cost of gasoline is $2.50
? Round to the nearest cent.
b. While on the trip, you paid $368.50 for engine repairs and $37.80 for a new battery. In addition, tolls amounted to $45.75 and parking averaged $4.50 per day for nine days. What was the cost per mile for the trip? Round to the nearest tenth of a cent.