Mathematics, 24.09.2020 18:01 hctlawton

A goldsmith combined an alloy that costs $4.20 per ounce with an alloy that costs $1.90 per ounce. How many ounces of each were used to make a mixture of 200oz costing $2.36 per ounce?

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A goldsmith combined an alloy that costs $4.20 per ounce with an alloy that costs $1.90 per ounce. H...

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