SOLUTION: A goldsmith mixed 10 g of a 40% gold alloy with 60 g of a 15% gold alloy. What is the percent concentration of the resulting alloy?

Question 898932: A goldsmith mixed 10 g of a 40% gold alloy with 60 g of a 15% gold alloy. What is the percent concentration of the resulting alloy?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The problem is straightforward.

and adjusted for result as percent, depending on how the expression is arranged.

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