Respuesta :

Answer: 100

Step-by-step explanation:

Well 15 + 5 = 20.

Then 20 x 5 = 100.

So 100 is the answer.

5(3+1)

Factor 5 out of 15x is 5

(3x)+5(−1)

Factor 5 out of 5 (3x)+5(-1).5(3x−1)