Pls help me :D ( NO LINKS)

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .

i'm pretty sure the answer is a. decreases with increase in