In a certain? chemical, the ratio of zinc to copper is 4 to 13. a jar of the chemical contains 546 grams of copper. how many grams of zinc does it? contain?

Answer  

Find out the How many grams of zinc does it contain .

To prove

Let us assume that x be the scalar multiple of the zinc and copper .

As given

In a certain chemical, the ratio of zinc to copper is 4 to 13.

the chemical contains 546 grams of copper .

Than

13x = 546

x = 42

Zinc contain in the chemical = 4 × 42

                                              = 168 grams

Therefore 168 grams  grams of zinc contain in the chemical.

45

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