Question

7. A 72 L mixture contains milk and water in the ratio 7:5. How much more milk is to be added to the
mixture so that the new ratio of milk and water becomes 9:5?
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Answer 1

Answer:

A 72L mixture contains milk and water in the ratio 7:5. Let the amount of milk and water in the mixture be 7x and 5x respectively . => 42 litres .