SOLUTION: A pineapple drink contains 15% pineapple juice, How much pure pineapple juice should be added to 8 quarts of the pineapple drink to obtain a mixture containing 50% pineapple juic

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Question 999843: A pineapple drink contains 15% pineapple juice, How much pure pineapple juice should be added to 8 quarts of the pineapple drink to obtain a mixture containing 50% pineapple juice?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
So many exercises are like this that a lesson on them is given instead of re-solving the same thing repeatedly:
http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev