Solve the problem.
-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 18 mpg and the government standard is 33 mpg. The manufacturer will add a model. What mileage must the new model get so that the manufacturer meets the government requirement?
A)75 mpg
B)93 mpg
C)33 mpg
D)None of the above

Question

Quizplus · Accepted Answer

To meet the government requirement, the average mpg of all five models must be at least 33 mpg. The total mpg for the four models is 4 * 18 = 72 mpg. For the average to be 33 mpg across five models, the total mpg must be 5 * 33 = 165 mpg. Therefore, the fifth model must have 165 - 72 = 93 mpg.

Solve the Problem. -The Federal Government Requires a Car Manufacturer to Have a to Have