Mathematics, 07.07.2019 06:00 Ryzuko

How much of an alloy with 30% copper must be added to 25 pounds of a second alloy that is 20% copper to create a 27% alloy? 33.85 lb 58.33 lb 391.67 lb

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How much of an alloy with 30% copper must be added to 25 pounds of a second alloy that is 20% copper...