Respuesta :
Answer:
20 Questions
Step-by-step explanation:
If 15 is 60% of the total number, you can divide 15 by 60 so you can find 1% of the total amount of questions.
15/60=0.25
0.25*100=25 questions.
Deon only got 80% percent right, which can be multiplied.
25*0.8=20
Hope this helped!