Question

729 ml of a mixture contains milk and water in the ratio 7 : 2. how much more water is to be added to get a new mixture containing milk and water in the ratio of 7 : 3?

Answer 1

Mixture = 729ml
let the amount of water to be added be x
ATP,
7/(2+x) = 7/3
=>14 + 7x = 21
=>7x = 7
=>x = 1


Therefore 1ml of water should be added

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