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Mathematics, 19.12.2019 07:31 bessieyounger1211

Anew alloy is made by mixing 72 grams of iron with 9 grams of zinc. how many grams of iron are required to make the alloy when combined with 144 grams of zinc?
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Anew alloy is made by mixing 72 grams of iron with 9 grams of zinc. how many grams of iron are requi...
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