The model shows the addition expression 18 + 12. A model containing 3 rows of 6 orange squares and 3 rows of 4 blue squares.
One expression that is equivalent to this sum is
srry i dont have pic

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 .