Question
A mixture contains milk and water in the ratio 9 : 7. If
it contains 4 litres more milk than water, then find the quantity of milk (in litres) in the mixture.Solution
Let the quantity of milk be 9x liters and the quantity of water be 7x liters. Given that the quantity of milk is 4 liters more than the quantity of water: 9x = 7x +4 Solving for x, ATQ- 9x-7x=4 2x = 4 x=2 Therefore, the quantity of milk in the mixture is: 9x=9x2 = 18 liters So, the quantity of milk in the mixture is 18 liters.
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