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Mathematics, 12.01.2021 05:20 shaferxspecial3737

In a certain chemical, the ratio of zinc to copper is 4 to 17. A jar of the chemical contains of copper. How many 680 grams of zinc does it contain? PLS I NEED HELP!!!

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In a certain chemical, the ratio of zinc to copper is 4 to 17. A jar of the chemical contains of cop...
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