Phoebe Chan's answer to Shermel Lee Lee's Secondary 4 E Maths question.

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Phoebe Chan
Phoebe Chan's answer
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Amy chooses first followed by ben so the first branch is for amy and the second branch is for ben :) and so on! let me know if theres anything unclear :)
Shermel Lee Lee
Shermel Lee Lee
7 years ago
thank youu