The ratio of Zlegier to Stewart is 4:3
And the ratio of Hansen to Zlegier is 2 : 1
This means that we have to find a common ratio for all three,
Considering the ratio of Hansen to Zlegier when related to the 4 of Zlegier in ratio with 3 Stewart we can conclude that we must multiply the ratio (2:1) by 4 to strike a balance. this means the ratio becomes 4(2:1) =(8:4)
so that the over all ratio is 8 : 4: 3 in the order Hansen : Zlegier :Stewart respectively
Now we find the percentage of Stewart from the 120 votes
This is done by using the formular
The ratio of stewarts = 3
Total ratio = 3+4+8 =15
Total votes =120
Total ratio = 3