SOLUTION: A silver dollar, an alloy of silver and copper, is 7.5% copper by weight. How many grams of pure copper should be used to prepare a 200 grams of a copper-silver alloy that is 10% c
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Question 996494: A silver dollar, an alloy of silver and copper, is 7.5% copper by weight. How many grams of pure copper should be used to prepare a 200 grams of a copper-silver alloy that is 10% copper by weight? Answer by josgarithmetic(39617) (Show Source):
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