Mathematics, 23.07.2019 02:50, kkqueen01

Achemist needs a 30% iron alloy. how many grams of a 70% iron alloy must be mixed with 16 grams of a 20% iron alloy to obtain the requiered 30% alloy?

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Achemist needs a 30% iron alloy. how many grams of a 70% iron alloy must be mixed with 16 grams of a...