Ask Singapore Homework?

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



Question

primary 6 | Maths | Ratio
2 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Catherine Wee Mui Chin
Catherine Wee Mui Chin

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Pls help. Thanks

Date Posted: 2 years ago
Views: 367
sstrike
Sstrike
2 years ago
total unchanged - internal transfer

at first → C:D:T = 8:9:17 = 16:18:34

after → C:D:T = 1:1:2 = 17:17:34

change → 17-16 = 18-17 = 1

18×18 = 324 (Ans)

See 2 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ms Ng
Ms Ng's answer
17 answers (Tutor Details)
1st
Use simultaneous equation method.
9u - 18 = 8u + 18
Solve to find u.
9u - 8u = 18 + 18
1u = 36

Daniel --> 9u
= 9 x 36
= 324
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
sstrike
Sstrike's answer
5567 answers (A Helpful Person)