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April 27, 2015

Homework Help: math

Posted by geekgirl95 on Saturday, June 18, 2011 at 2:59pm.

shanon needs 20g of 80% of gold to make a pendan. she has some 85% gold and some 70% gold, from broken jewelry and wants to know how much she should use. determine the quantity of each alloy that she should use.

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