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Mathematics, 24.03.2021 06:20 CAPEPOPPA
A goldsmith combined an alloy that costs $4.20 per ounce with an alloy that costs $1.70 per ounce. How many ounces of each were used to make a mixture of 200 oz costing $2.40 per ounce?
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A goldsmith combined an alloy that costs $4.20 per ounce with an alloy that costs $1.70 per ounce. H...
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