The barrel is filled with water up to 57% of its capacity. When we add two buckets will be filled to 73% of its capacity. What is the volume of a barrel, if the volume of the bucket is 12 liters?


V =  150 l


x = 0.57 V
x + 2*12 = 0.73 V

0.57V-x = 0
0.73V-x = 24

V = 150
x = 171/2 = 85.5

Calculated by our linear equations calculator.

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