Barrel 4

Barrel of water weighs 63 kg. After off 75% water, the weight of the barrel with water is 21 kg. How many kg weigh empty barrel and how many kgs water in it?


x =  7 kg
y =  56 kg



x+y = 63
100x+25y = 2100

x = 7
y = 56

Calculated by our linear equations calculator.

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