Chua Tze Ren's answer to Kathy's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Chua Tze Ren
Chua Tze Ren's answer
15 answers (Tutor Details)
Q2 is a bit more challenging compared to Q1, so do take some time to understand the important parts highlighted in yellow which are needed to get the final answer.