Mathematics, 09.03.2021 07:40, zoeedadoll

A jeweler works with two kinds of metals, the first contains 72% silver and the second contains 87% silver.
If he wants to end up with a mixture of 50 grams that is
84% silver,
How many grams of the 72% silver metal should he use?

Answers: 3

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A jeweler works with two kinds of metals, the first contains 72% silver and the second contains 87%...