Jason's answer to Thanu's Primary 6 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jason
Jason's answer
2 answers (Tutor Details)
1st
You need to know how to draw graph in order to solve this type of question. Otherwise it will be very "messy", and you will be confused with the question.