SOLUTION: How many liters of a 10% alcohol solution must be added with 110 liters of 3% alcohol solution to obtain a 5% alcohol solution?

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Question 1019131: How many liters of a 10% alcohol solution must be added with 110 liters of 3% alcohol solution to obtain a 5% alcohol solution?
Answer by josgarithmetic(39618) About Me  (Show Source):
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x, how many liters of the 10%...

%2810x%2B3%2A110%29%2F%28x%2B110%29=5

Divide members by 5.
%282x%2B3%2A22%29%2F%28x%2B110%29=1

2x%2B66=x%2B110

x=110-66

x=100-56

x=44