Respuesta :

sup3rman2295

Answer:

15 hours

Step-by-step explanation:

3x20=60

4x1=4

60÷4=15

walterpjenkins

Answer:

15 hours of practice

Step-by-step explanation:

The equation is simple. Multiply 3/4 by 20 for a final result of 15.

Also, can I have Brainliest? I want to get to Virtuoso rank.