Samantha's answer to Y's Secondary 4 E Maths Singapore question.

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Samantha
Samantha's answer
308 answers (Tutor Details)
Only up to part 3. Part 4 will be posted separately. For part 3, since net =0, meaning you either remove one yellow ball from p to q and then remove one yellow ball from q to p or you remove one blue ball from p to q and then remove one blue ball from q to p