Doreen Schmidt is a chemist. She needs to prepare
24
24
ounces
ounces of a
7
7% hydrochloric acid solution. Find the amount of
12
12% solution and the amount of
6
6% solution she should mix to get this solution.

1 and 2

step-by-step explanation:

(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