Mathematics, 31.07.2019 23:00 Ajaxr2432
Paul needs 40 pounds of 48% silver alloy to finish a collection of jewelry. how many pounds each of 45% silver alloy and 60% silver alloy should he melt together to obtain the alloy he needs
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Paul needs 40 pounds of 48% silver alloy to finish a collection of jewelry. how many pounds each of...
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