SOLUTION: Perry asked you to make 12 L of fruit punch that contains 35% fruit juice by mixing together some amount of Brand A fruit punch and some amount of Brand B fruit punch. Brand A cont

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Question 1081282: Perry asked you to make 12 L of fruit punch that contains 35% fruit juice by mixing together some amount of Brand A fruit punch and some amount of Brand B fruit punch. Brand A contains 40% fruit juice and Brand B contains 25% fruit juice. How much of each do you need?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
40A%2B25B=35%2A12, to account of just the amount of pure fruit juice;
and
A%2BB=12, to account for volume of the blend.


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8A%2B5B=84
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B=12-A
Substitute for B.
8A%2B5%2812-A%29=84
8A%2B60-5A=84
3A=24
highlight%28A=8%29. Now just evaluate B.