SOLUTION: a chemist has two solution of sulfuri acid a 20% solution and an 80% solution. how much of each should be used ro obtain 100 liters of a 62% solution?

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Question 981437: a chemist has two solution of sulfuri acid a 20% solution and an 80% solution. how much of each should be used ro obtain 100 liters of a 62% solution?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
v, volume of 80%
100-v, volume of the 20%

%2820%28100-v%29%2B80v%29%2F100=62

Solve for v and evaluate 100-v.