Question

two sisters drove 144 miles on a camping trip. they averaged at least 32 miles per gallon on the trip. describe the number of gallons of gas they used

Answer 1

x=the number of gallons they used.

x≤4.5

Answer 2

That's the answer because they used AT LEAST 32 miles per gallon. So, 144/32=4.5 and since it's AT LEAST 32 4.5 is the max amount used.