Chee Jia Yun's answer to JOAN's Secondary 4 E Maths Singapore question.

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Chee Jia Yun
Chee Jia Yun's answer
2 answers (Tutor Details)
Beware of the first part where they say that the girl selects a random note and put it in Box B, use the answer in (b) to help you. Hope my answer helps you!