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primary 6 | Maths | Percentage
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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: 8 months ago
Views: 41

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Pan Shi Yi
Pan Shi Yi'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