Shruthi M Durai's answer to Evangeline Loh's Primary 6 Maths question.

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Shruthi M Durai
Shruthi M Durai's answer
2 answers (Tutor Details)
1st
The remaining (unshaded) unit is not only the remaining 5 cookies but also has 1/3 cookie from Jaffar and 1/3 cookie from Kaiming. And nope you are not stupid for not knowing this! It is quite tricky :)