Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 7 hours and uses 70 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.

A. 60 gallons
B. 2 gallons
C. 98 gallons
D. 50 gallons


Answer: D

Mathematics

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