<PRE><B>Question 1114272</B>
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How many liters of EACH type of alcohol solution should be mixed to produce 35 liters that is 70% alcohol if type A solution is 50% alcohol and type B is 85% alcohol?
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x liters of 50% alcohol, the type A
35-x liters of type B 85% alcohol


{{{50x+85(35-x)=70*35}}}

.

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