Question

A generator runs for 2 1/2 hand uses 4 3/8 gals of fuel. How many gallons of fuel did the generator use each hour?

Answer 1

divide gallons used by time

4 3/8 = 35/8

2 1/2 = 5/2

35/8 / 5/2 = 35/8 * 2/5 = 70/40 = 7/4 (simplest form) =  1 3/4 gallons per hour