SOLUTION: The gas mileage for Mike’s car is 17 kilometers per litter when the car travels at an average speed of 35 kilometers per hour. The car’s gas tank has 42 litters of gas at the

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Question 1143170: The gas mileage for Mike’s car is 17 kilometers per litter when the car travels at an average speed
of 35 kilometers per hour. The car’s gas tank has 42 litters of gas at the beginning of a trip. If
Mike’s car travels at an average speed of 35 kilometers, which of the following functions f models
the number of litters of gas remaining in the tank t hours after the trip begins?
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
.

The volume of the remained gas in the tank is


    V(t) = 42 - %2835%2At%29%2F17 liters,


where t is the time in hours.

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Be aware : the solution and the answer by @josgarithmetic are both incorrect !


Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
v volume in liters
42 liters initial volume
t hours of driving at 35 kilometers per hour
17 kilometers per liter

rate: -35%28kilometers%2Fhour%29%281%2F17%29%28liter%2Fkilometers%29