Which is the best method to use? y = 6x - 11
-2x – 3y = -7

same thing , solve systems of equations by substitution

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 .

alright well the answers to your question is

2xy/9 hope this have a nice day : )

step-by-step explanation:

b). 4320 have a nice day