Question

8. In a mixture of milk and water, the proportion of water by weight is 75%. If in the 60 g mixture, 15 g of water
is added, what would be the percentage of water?
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Answer 1

Answer:

Water in mixture, total water = 45 + 15 = 60 gm and weight of a mixture = 60 + 15 = 75 gm. So % of water = 100 x 60/75 = 80%.