Respuesta :

sxxmmm

Answer:

1,3,5,15

Step-by-step explanation:

these are the factors of 15

altavistard

Answer:

Step-by-step explanation:

I must assume that you meant, "the sum of which four numbers equals 15?"

15 = 6 + 9

    = 3 + 3 + 9

    =  3 + 3 + 3 + 6

All of these sets (on the right side) add up to 15.  There are four numbers in the last set.