Homework Help: Math

Posted by GATOR on Wednesday, November 2, 2011 at 12:46pm.

One canned juice drink contains 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 28% orange juice?

I want step by step help.

Math - Steve, Wednesday, November 2, 2011 at 1:18pm
Work with the amount of juice in each mixture. Add up the juice in the parts, and it must equal the juice in the final mixture. If there are x liters of 30% juice, there are 20-x liters of 10% juice:

.30x + .10(20-x) = .28(20)

just solve for x to answer the questions.

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