Mathematics, 06.07.2019 15:30 tommyewall34

In a certain chemical, the ratio of zinc to copper is 3 to 13. a jar of the chemical contains 403 grams of copper. how many grams of zinc does it contain? mehh !

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In a certain chemical, the ratio of zinc to copper is 3 to 13. a jar of the chemical contains 403 gr...

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