Respuesta :

Answer:

C. 3

Step-by-step explanation:

Since it's division, you flip the second equation and cancel out both a-3.

7 goes into 21 3 times leaving the numerator with 3.

since the denominator is 1, you don't have to show it.

Answer:

3

Step-by-step explanation:

you flip the fraction and do cross multiply and you get your answer