SOLUTION: A metallurgist has one alloy containing 21% aluminum and another containing 45% aluminum. How many pounds of each alloy must he use to make 42 pounds of a third alloy containing 27
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Question 929537: A metallurgist has one alloy containing 21% aluminum and another containing 45% aluminum. How many pounds of each alloy must he use to make 42 pounds of a third alloy containing 27% aluminum? (Round to two decimal places if necessary.)
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
The exercise question is one of these kind:
Mixing two concentrations for known amount of mixture
http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev
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