Jason Jing Ming Quek's answer to Sarah Tong's Secondary 4 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jason Jing Ming Quek
Jason Jing Ming Quek's answer
29 answers (Tutor Details)
Here my solution as promise. Thank you.
Sarah Tong
Sarah Tong
3 years ago
Thank You