An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

An 80 litre mixture of water and acid contains 20% acid. How much acid

1.	An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?
A.	60
B.	80
C.	70
D.	90
Answer» C. 70

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An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

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