Zwen's answer to Isaac's Secondary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Zwen
Zwen's answer
151 answers (A Helpful Person)
1st
If I did punch the numbers and format correctly into the calculator, I would say both part a and b answers are the same, 4.