Mathematics, 10.09.2019 01:20 bellapimienta8

How many pounds of a 15% copper alloy must be mixed with 600lbs of a 25% copper alloy to make a 22.5% copper alloy?

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How many pounds of a 15% copper alloy must be mixed with 600lbs of a 25% copper alloy to make a 22.5...

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