SOLUTION: A full tank of petrol is 40 liter, fuel mileage consumption is 7L/100km. How much petrol is in the tank if the distance indicator stated 80 km (until tank empty)

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Question 970193: A full tank of petrol is 40 liter, fuel mileage consumption is 7L/100km. How much petrol is in the tank if the distance indicator stated 80 km (until tank empty)
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Uniform Rates;
RV=D fuel efficiency, volume of fuel, distance.

R+=+%287%2F100%29%28L%2Fkm%29
V+=+volumeOfLitersConsumed
D+=+80%2Akm

Now, how much fuel is still in the tank?
40-V