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

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Question 1083655: You are driving a car with the constant speed of 120 km/h. You need 7 liters of gazoline to travel 100 km. The tand of the car has capacity of 56 liters. You are leaving at 9:00am. What is the time when the tank will be empty if you are driving with 120 km/h?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
In terms of just units:
[ km / L } x [ L ] / [ km / hr ] = hrs
+%28+%28+100+%2F+7+%29%2A56+%29+%2F+120+
+800+%2F+120+=+6.667+ hrs
+.667%2A60+=+40+ min
9 AM + 6.667 = 3:40 PM
when tank will be empty