Question

The distance that a truck can travel without refueling varies directly with the number of gallons of gasoline in the tank. If a truck can go 360 miles on 12 gallons of gas, how far can it go on 7 gallons? 213 miles 210 miles 211 miles 215 miles

Answer 1

Write and solve an equation of ratios:

360 miles 12 gallons
-------------- = --------------- => 210 miles on 7 gallons.
x 7 gallons