Problema Solution
Tom drove 240 miles using 9 gallons of gas. At this rate, how many gallons of gas would he need to drive 216 miles?
Answer provided by our tutors
First, we express Tom's gas mileage in miles-per-gallon:
240 miles / 9 = 240/9 mpg
We divide that rate into 216 miles in order to determine how many gallons of fuel Tom would need to drive 216 miles:
216 miles / ((240/9) miles/gallon) = 8.1 gallons
Tom would need 8.1 gallons of gas to drive 216 miles