A container holds 32 litres of a milk-water mixture in which milk and water are in the ratio 5 : 3. How many litres of water must be added to make water exactly 50% of the new mixture?

Question

Accepted Answer

8. Initially: milk = 20 L, water = 12 L. For 50% water: (12 + x)/(32 + x) = 0.5, giving 12 + x = 16 + 0.5x, so x = 8 litres.

A container holds 32 litres of a milk-water mixture in which milk and water are in the ratio 5 : 3. How many litres of water must be added to make water exactly 50% of the new mixture?

Solution

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