200 litres of alcohol solution has 30% alcohol in it. How much alcohol should be added to make it 50% in the solution?

200 litres of alcohol solution has 30% alcohol in it. How much alcohol

1.	200 litres of alcohol solution has 30% alcohol in it. How much alcohol should be added to make it 50% in the solution?
A.	60
B.	40
C.	80
D.	50
Answer» D. 50

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200 litres of alcohol solution has 30% alcohol in it. How much alcohol should be added to make it 50% in the solution?

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