Gasoline tank 2

A gasoline tank is 1/6 full. When 25 liters of gasoline were added, it became 3/4 full. How many liters more is needed to fill it? Show your solution.


x =  10.714 l


V/6 + 25 = 3/4 V
x = V - 3/4 V

7V = 300
V-4x = 0

V = 3007 ≈ 42.857143
x = 757 ≈ 10.714286

Calculated by our linear equations calculator.

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