SOLUTION: If I need 4% cream, 120 grams, and I only have 3 and 7% on hand, how much will I need of each to make 4%?

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Question 831484: If I need 4% cream, 120 grams, and I only have 3 and 7% on hand, how much will I need of each to make 4%?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev

"Mixing two concentrations for known amount of mixture"