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Mathematics, 19.01.2022 07:50 masonorourke

A jeweler has 20 ounces of a gold alloy worth $160 per ounce and 10 ounces of a silver alloy worth $140 per ounce. She has a third alloy that is worth $124 per ounce. How much of this third alloy must she combine with the other two to make 3-ounce pieces of jewelry worth $438 each?

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A jeweler has 20 ounces of a gold alloy worth $160 per ounce and 10 ounces of a silver alloy worth $...

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