a jar contains 30 litres mixture of milk and water in the ratio of x to Y respectively .when 10 litre of mixture is taken out and replaced it water then the ratio becomes 2 : 3 .then what is the initial quantity of milk in the jar?
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Answer:
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Step-by-step explanation:
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Answer:
18
Step-by-step explanation:
x+y=30;
[x-10*x/(x+y)] / [y-10*y/(x+y)+10]=2/3;
2x-4/3y=20;
x=18;