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Mathematics, 17.12.2020 20:00 NateTheBeast12

EMERGENCY is past due but I need to finish it question- In a certain chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 390 grams of copper. How many grams of zinc does it contain?

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EMERGENCY is past due but I need to finish it question- In a certain chemical, the ratio of zinc to...
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