Arnold K H Tan's answer to Sathya's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Arnold K H Tan
Arnold K H Tan's answer
2106 answers (A Helpful Person)
1st
This is the only advantage of Primary level math - any method that leads to the answer is OK. :)