SOLUTION: You are driving a car with the constant speed of 120 km/h. You need 7 liters of gasoline to travel 100 km. The tank of the car has capacity of 56 liters. You are leaving at 9:00am.

Question 1058378: You are driving a car with the constant speed of 120 km/h. You need 7 liters of gasoline to travel 100 km. The tank of the car has capacity of 56 liters. You are leaving at 9:00am. What is the time the tank will be empty if you are driving with 120km/h?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
7 liters go 100 km
56 liters--go 800 km, increase all by a factor of 8
Drive 800 km @120 km/hr. That is 800/120 or 6 2/3 hours.
Empty at 3:40 pm.
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