In a certain​ chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 375 grams of copper. How many grams of zinc d

Question

In a certain​ chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 375 grams of copper. How many grams of zinc does it​ contain?

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Bơ 4 years 2021-08-19T03:13:46+00:00 2 Answers 68 views 1

Answers ( )

  1. taiduc
    0
    2021-08-19T03:14:46+00:00
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    Answer: 93 grams Zinc

    Step-by-step explanation:

    3 Zinc : 13 Copper

    x 31       x 31            

    93 Zinc,     403 Copper

    or

    set up a proportion, cross multiply, and solve for the variable:

    3(403) = 13(x)

    3(31) = x

    93 = x

  2. diemthu
    0
    2021-08-19T03:15:28+00:00
    Reply

    Answer:

    100 Grams of Zinc

    Step-by-step explanation:

    15 divided by 4 is 3.75.

    375 divided by 3.75 is 100.

    100 grams Zinc.

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