Respuesta :
75%
15/20 = 75/100 (you just have to multiply both top and bottom by five)
15/20 = 75/100 (you just have to multiply both top and bottom by five)
Answer:75%
Step-by-step explanation:
To make a fraction into a percent you have to multiply it by 100
So: 15/20 x 100=15x5=75 so he got 75% of his problems right