Problema Solution
Before a car engine was overhauled, it got 0.75 times the number of miles per gallon as it did afterward. The car got 21 miles per gallon before the overhaul. How many miles per gallon did it get after the overhaul was completed?
Answer provided by our tutors
Let x represent miles per gallon after the overhaul was completed
0.75x = 21
........
........
x = 28 miles per gallon
The car got 28 miles per gallon after the overhaul was completed.