Respuesta :

Step-by-step explanation:

what's the question though ?

Answer:

72 rent instruments 18 own them

Step-by-step explanation:

20 percent is the equivalent of saying 1/5

1/5

Divide 90 by 5

Which is 18

18 is 1/5 of 90

18 students own their instruments

To find the rest we subtract 90-18

which is equal to 72