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Mathematics, 01.07.2019 10:00 ellareynolds2337
How many of an alloy that is 40% copper should be mixed with 600 ounces of an alloy that is 80% copper in order to get an alloy that is 70% copper ounces
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How many of an alloy that is 40% copper should be mixed with 600 ounces of an alloy that is 80% copp...
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