Question

Which expression is equivalent to 5(w+4) when w=9?

O 5(9)
O 9(5)
O 5(9)+4
O 5(9) +20

Answer 1

Option D

Explanation:

This will seem weird but all you are is doing distrubitive property.

Replace w with nine and you have this.

Step 1 (Replace/Substitute)

5(9 + 4)

5(9) + 20

We distribute the five to the numbers in the parentheses. Or we multiply 5 to the other numbers within the parentheses.

Thus, D is your answer.

Answer 2

5(9)+20

Explanation:

5(9+4) can be expanded to get 5(9)+5(4). And 5(4)=20.