You must convert all of these ratios into ONE format, such as decimal fractions only, and then compare them, to find the largest ratio / proportion.
4/25 = 0.16
13% = 0.13
0.28 = 0.28
and so on. So far, 0.28 is the largest proportion. Find the other proportions.
The answer it’s 28% is the largest percent of students who choose math!