Koh Tian Kai's answer to Thanu's Primary 6 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Koh Tian Kai
Koh Tian Kai's answer
2 answers (Tutor Details)
1st
Used a mix of model and algebra to solve this. Please tell me if there is anything you do not understand.