The federal government requires a car manufacturer to have a minimum miles per gallon (mpg) average over the models it makes. Suppose that the average mpg for the four models manufactured is 24 mpg and the government standard is 31 mpg. The manufacturer will add a model. What mileage must the new model get so that the manufacturer meets the government
Requirement?

Question

Quizplus · Accepted Answer

To meet the government requirement of 31 mpg, the average mpg of all five models must be 31. The current total mpg for four models is 4 * 24 = 96. For five models, the total must be 5 * 31 = 155. Therefore, the new model must have 155 - 96 = 59 mpg.

The Federal Government Requires a Car Manufacturer to Have a Minimum