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?

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.

=

x = = 66g

So the jar of chemical contains 66g of Zinc.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

the answer is simply just 6n add the two together as they have an n