SOLUTION: Joe needs 200g of 89% cocoa but she only has 99% cocoa and 70% cocoa how much does she need of each? Solve using 2 equations

SOLUTION: Joe needs 200g of 89% cocoa but she only has 99% cocoa and 70% cocoa how much does she need of each? Solve using 2 equations

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Question 991780: Joe needs 200g of 89% cocoa but she only has 99% cocoa and 70% cocoa how much does she need of each? Solve using 2 equations
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
The perfect method is explained in this lesson:
http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev
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