Y = x+1 3x + y = -7
Plot two lines by clicking the graph.
Click a line to delete it.
10
Solution:
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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 .

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8