https's answer to Kc's Primary 6 Maths Data Analysis Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
https
Https's answer
59 answers (A Helpful Person)
1st
P : R : S
100 : 80 : 60
5 : 4 : 3
125 : 100 : 75

Ans: 75m