Arnold K H Tan's answer to Darius Chew's Secondary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Arnold K H Tan
Arnold K H Tan's answer
2163 answers (A Helpful Person)
1st
Please at least show your attempt... tutors / peers help for free here... so nope... no one will do your homework for you...