AC Lim's answer to __cherrycola__.'s Primary 5 Maths Fractions Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
AC Lim
Ac Lim's answer
12444 answers (A Helpful Person)
1st
Total saving for A and B = 250× 2=500
Total saving for B and C = 190 ×2=380
Therefore, A and C different 500-380=120
Given C save 1/3 as much as A.
C=1u
A=3u
Different 2u=120
1u=60
Therefore, A=3×60=180
B=500-180=320
C=60
Hope this helps