Question

A car uses 3 1/8 gallons of gasoline per hour when driving on the highway, how many gallons will it use after three hours?

Answer 1

The car will use 9 3/8 or 9.375(simple form) gallons of gasoline on the highway

Explanation:

if a car uses 3 1/8 gollon per one hour

Multiply the gallon usage of the car by the hours the car will travel on the road

3 1/8(gallons) x 3(hours on the road)

9 3/8 or if you change it to simple form it will be equal to 9.375