Mathematics, 30.06.2019 18:00, keva1p6dk26

In a certain chemical, the ratio of zinc to copper is 4 to 19. a jar of the chemical contains 684 grams of copper. how many grams of zinc does it contain?

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In a certain chemical, the ratio of zinc to copper is 4 to 19. a jar of the chemical contains 684 gr...

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