Respuesta :

Answer: 4/5 17/20 9/10

Step-by-step explanation:

Find a common denominator

4/5-16/20

17/20-17/20

9/10-18/20

Least to greatest would be 4/5, 17/20, 9/10
Explanation: 4/5 is 80% 17/20 would be 85% and 9/10 is 90%