Mathematics: In a certain chemical, the ratio of zinc to copper is 3 to 13. a jar of the chemical contains 286 grams of copper. how many grams of zinc does it contain?

In a certain chemical, the ratio of zinc to copper

antoniaannswiney

10.03.2022

The jar of chermical contains 66g of Zinc.

Step-by-step explanation:

The ratio of Zinc to Copper is 3 : 13

A jar of the chemical contains 286g of copper.

Let the mass of the Zinc be xg.

$\frac{13}{3}$ = $\frac{286}{x}$

x = $\frac{3 × 286}{13}$ = 66g

So the jar of chemical contains 66g of Zinc.

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jacamron

21.03.2021

Negative 80 x + 28 y minus 56

4 (negative 20 x + 7 y minus 14)

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