Mathematics, 26.11.2020 23:20 AniyaT05
Pure copper was mixed with a 10% copper alloy to produce an alloy thát was 25% copper. How much of the pure copper and how much 10% alloy were used to produce 36 kg of 25% alloy?
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Pure copper was mixed with a 10% copper alloy to produce an alloy thát was 25% copper. How much of t...
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