Question

A mixture of 50 litres of milk and water
contains 12% water. How much water must
be added to make it 20% in the new mixture?​

Answer 1

Answer:

5 litres

Step-by-step explanation:

given 50 litres contains 12% water=6 litres

and obviously 88% milk=44 litres

m:w=44/6

so water should be added to get new ratio of water at 20% is

44/6+x=80/20

x=5 litres

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