50 is the answer to this question
It would be 20.15 because the 65% of 31 is 20.15
Step-by-step explanation:

Answer:
-0.45, 2/5, 54%
Step-by-step explanation:
54%=54/100
=87/50
2/5=20/50
-0.45 must be the smallest as it is negative
Hehas 337 dollrs because 220:65% is one so that is it