SOLUTION: How many ounces of pure apple juice must be added to 16 ounces of 25% apple juice to make a 40 % apple juice drink?

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Question 838875: How many ounces of pure apple juice must be added to 16 ounces of 25% apple juice to make a 40 % apple juice drink?
Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website!
16 ounces is a quantity of WEIGHT, roughly equivalent to a quantity of MASS but not really the same.

v = how many ounces of pure apple juice to use

Solve for v.

http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev

Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
Let = ounces of pure apple juice to be added
ounces of pure apple juice in 25% mixture
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4 ounces of pure apple juice must be added
check:

OK