Respuesta :

Answer:

C.

Step-by-step explanation:

It is C. because 29 - 9 equals 20

Answer:C.20

Step-by-step explanation:it is easy jut subtract 29-9=24 and the are many ways to subtract like visaual take 29 apples and take 9 away and count how many are left or count up from 9 to 29 on your fingers.