Josiah traveled 79.5 miles on 3 gallons of gasoline. At this rate, how many gallons of gasoline would he need to travel 265 miles?

Answer 1

79.5 miles / 3 gallons = 265 miles / x

Cross multiplies:

79.5 * x = 3 * 265

x = 3 * 265/79.5

x = 10

by the way, the MPG is 79.5/3 = 26.5