Ask Singapore Homework?

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



Question

primary 6 | Maths | Percentage
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Ashley
Anonymous

primary 6 chevron_right Maths chevron_right Percentage

Hiii sry but can I trouble someone to help me?? I don’t understand this.... tysm

Date Posted: 6 years ago
Views: 422

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Elvina Pan
Elvina Pan's answer
13 answers (Tutor Details)
1st
We know the initial ratio of red to blue marbles: 3:8
We also know the the new ratio as it was stated that red marble forms 20% of all marbles.
So 1/5 of the marbles are red.
And the new ratio of red to blue marbles is: 1:4