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Question

Sorry i am not sure why the pic become inverted.

Pls help provide solution to this problem sum. Thank you

Source: 2015 SA2

Answer

Suggested answer:

Muffin left => 1/3 of chocolate & 2/7 of blueberry

Muffin eaten=> 2/3 of chocolate & 5/7 of blueberry

Since amount of chocolate and blueberry muffin eaten is the same, make them the same nominator 

Muffin eaten=> 10/15 of chocolate & 10/14 of blueberry

Total muffin = 15 unit +14 unit = 29 unit

Fraction of muffin eaten will be 20/29

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Thank you 🙂

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