Answer:
B
Explanation:
0.25=1/4=15/60
3/20=9/60
20%=1/5=12/60
1/3=20/60
Now we can easily put them in order since they have a common denominator.
9<12<15<20
Now let's bring back the original numbers in the same order as shown above.
3/20, 20%, 0.25, 1/3
Choice B matches this order.