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primary 6 | Maths | Percentage
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Mani
Mani

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

Pls help

Date Posted: 4 years ago
Views: 241

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goodsamathritan
Goodsamathritan's answer
745 answers (Tutor Details)
1st
This is a level 3 question! Part a) should be easy enough.

For part b), when I drew ‘1 group’, that’s for 1 group of 4 pens and 1 pencil. However, it could be:
8 pens and 2 pencils (2 groups)
12 pens and 3 pencils (3 groups)
16 pens and 4 pencils (4 groups)... etc

We don’t know how many groups! Let it be x no. of groups. From there, we form equations and eliminate to solve.