Which choice shows (3+9) + 13 correctly rewritten using the associative property and then correctly simplified?

B

Step-by-step explanation:

The associative property of addition:

(a + b) + c = a + (b + c)

We now apply the associative property of addition to the expression in this problem.

(3 + 9) + 13 = 3 + (9 + 13) =

Now we follow the correct order of operations by adding the numbers inside the parentheses first.

= 3 + 22

= 25

B

Step-by-step explanation:

(3+9) + 13 could also be written as:

3 + 9 + 13 = 25, or

3 + (9 + 13) = 3 + 22 = 25, or

(3 + 9) + 13 = 12 + 13

We can group the addends in any way desired; this illustates the associative property.

4 candies

step-by-step explanation:

7 x 28 = 196

200 - 196 = 4 candies remaining.

49%

step-by-step explanation:

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