Respuesta :

Answer:

7 and 3

Step-by-step explanation:

First, I listed factors of 21:

7 and 3

21 and 1

Then I added the factor pairs together to see which equaled 10:

7 + 3 = 10

10 is equal to 10

21 +1 = 22

22 is not equal to 10.

The two numbers are 7 & 3