SOLUTION: 2L of a party punch that contains 35% fruit juice is mixed with 3L of another punch. The resulting fruit punch is 20% fruit juice. Find the percent concentration of fruit juice con

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Question 890133: 2L of a party punch that contains 35% fruit juice is mixed with 3L of another punch. The resulting fruit punch is 20% fruit juice. Find the percent concentration of fruit juice contain in the 3L punch that was added.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = concentration of the 3L of punch as fruit juice, percent.

highlight_green%28%283x%2B2%2A35%29%2F%283%2B2%29=20%29.
Solve for x.