Question

In a certain​ chemical, the ratio of zinc to copper is 3 to 17. A jar of the chemical contains 629 grams of copper. How many grams of zinc does it​ contain?\

PLZZZZZZZZ HELP

Answer 1

`111\ grams\ of\ zinc`

Explanation:

Let

x -----> grams of zinc

y ----> grams of copper

we know that

`(x)/(y)=(3)/(17)` -----> equation A

For y=629 grams of copper

substitute in the equation A and solve for x

`(x)/(629)=(3)/(17)`

`x=(3)/(17)(629)`

`x=111\ grams\ of\ zinc`