Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

primary 6 | Maths | Ratio
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Crystal Ang
Crystal Ang

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Don't understand how to do. Pls help

Date Posted: 8 months ago
Views: 92
sstrike
Sstrike
8 months ago
concept
make numerator same

at first
P:R = 9:4
=9u : 4u

in the end
P:R = 1:2
=2u+9 : 4u+18

for P
9u = 2u+9+12
7u = 21
u = 3

P (Pink) at first
9u = 27 (Ans)

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tayng
Tayng's answer
1093 answers (A Helpful Person)
1st
There