Jing Wen Wong's answer to Nidia's Secondary 1 Maths Singapore question.

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Jing Wen Wong
Jing Wen Wong's answer
7 answers (A Helpful Person)
Here’s the solution to part a)

I suggest that you practise b) to d) yourself because they are the exact same method!

All the best, lmk if u need more explanations! :)