SOLUTION: A 59% copper alloy is made by mixing 20g of a 43% copper alloy with some 63% copper alloy. The number of grams of 59% copper alloy produced is
a) 120 b)110 c)100 d)90 e) 80
Algebra.Com
Question 1116744: A 59% copper alloy is made by mixing 20g of a 43% copper alloy with some 63% copper alloy. The number of grams of 59% copper alloy produced is
a) 120 b)110 c)100 d)90 e) 80
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
--------Add 80 grams of the 63% copper
Amount of new alloy made: 100 grams
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