Simple...
change them all into decimals...or fractions..or percents:
52%, 0.57, [tex] \frac{2}{5} [/tex]--->>
52%--->>0.52
0.57--->>0.57
[tex] \frac{2}{5} [/tex]-->>0.4
Now you can order from least to greatest....
[tex] \frac{2}{5} [/tex], 52%, 0.57
Thus, your answer.
