Mathematics
Mathematics, 13.08.2021 14:00, mooncake9090

A man mixes 90 litres of milk, containing 10% of water with 60 liters of milk containing 20% of water, then the percent of water in the minture is?​

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A man mixes 90 litres of milk, containing 10% of water with 60 liters of milk containing 20% of wate...

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