The fuel tank of a compact truck holds 17 gallons. On a full tank, the truck can travel about 408 miles in the city or 476 miles on the highway. The fuel tank of a compact car holds 14 gallons. On a full tank, the car can travel about 364 miles in the city or 490 miles on the highway.

How many hours of highway driving are required for each to empty its tank? Assume an average speed of 60 miles per hour.

Question

The fuel tank of a compact truck holds 17 gallons. On a full tank, the truck can travel about 408 miles in the city or 476 miles on the highway. The fuel tank of a compact car holds 14 gallons. On a full tank, the car can travel about 364 miles in the city or 490 miles on the highway. 

How many hours of highway driving are required for each to empty its tank? Assume an average speed of 60 miles per hour.

anonymous · Answer

A. The truck will have an empty tank after 7.93 h. The car will have an empty tank after 6.07 h. 

B. The truck will have an empty tank after 6.8 h. The car will have an empty tank after 8.17 h. 

C. The truck will have an empty tank after 6.8 h. The car will have an empty tank after 6.07 h. 

D. The truck will have an empty tank after 7.93 h. The car will have an empty tank after 8.17 h.

anonymous · Answer

you could start by thinking how far each vehicle goes in one hour.  then in two hours, then in three hours.  you will start to see a pattern, then you will see that you may want to try some division.