What is the sum?Complete the equation (help)

converting the equation to improper fraction

31/5+(-38/5)

31/5-38/5( the plus sign affected the minus sign inside of the bracket which is+*- = -)

multiply both terms by 5

31-38= -7

c is the answer

step-by-step explanation:

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 .