3. Which equation illustrates the associative property of addition?
A. (x + y) + 3 = x + (y + 3)
B. 3(x + y) = 3x + 3y
C. x + y = y + x
D. x + 0 = x

C. x + y = y + x

Step-by-step explanation:

A. (x + y) + 3 = x + (y + 3)

Step-by-step explanation-

The associative property of addition allows the numbers grouped within the parenthesis to be switched with the other numbers in the equation to make the problem easier to solve.

Hope this helped!

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7