Answer:
40%
Explanation:
Our total amount of shoes to sell is 220, right? So we have to find which percentage 88 is of 220! To do this, we use division!
Instead of how you might think to do it, 220/88, we have to do the opposite!
88/220 = 0.4
0.4 is 40% of 1. Therefore 88 is 40% of 220.