Barrel 3

Barrel with water has a weight 118 kg. When we get off 75% of water it has a weight 35 kg. How many kg has empty barrel?

Correct result:

x =  7.33 kg




x+y = 118
100x+25y = 3500

x = 22/3 ≈ 7.333333
y = 332/3 ≈ 110.666667

Our linear equations calculator calculates it.

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