A silversmith mixed 100 g of a 40% silver alloy with 40 g of a 12% silver alloy. What is the percent silver concentration of the resulting alloy?

Ehc asked Dec 8, 2022

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40 votes

A silversmith mixed 100 g of a 40% silver alloy with 40 g of

a 12% silver alloy. What is the percent silver concentration
of the resulting alloy?

Ehc asked Dec 8, 2022

by Ehc

3.1k points

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12 votes

Hey, don’t call for that link thing. It’s fake. Here’s how I solved this: x = [35(80%) + 70(25%)]/(35 + 70) = 43.3%

The answer is 43.3%

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