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23 July, 03:07

In a certain? chemical, the ratio of zinc to copper is 4 to 17. A jar of the chemical contains 612 grams of copper. How many grams of zinc does it? contain?

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  1. 23 July, 03:33
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    The answer is 144 grams of zinc

    Step-by-step explanation:

    proportion zinc to copper = 4/17

    4/17 = z / 612

    multiply the extremes

    17. z = 4. 612

    17. z = 2,448

    z = 2,448 / 17

    z = 144

    The answer is 144 grams of zinc

    Always check your answer

    4 / 17 = 144/612 = 0.235
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