Jiaxin's answer to Nacy woods's Primary 4 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Jiaxin
Jiaxin's answer
1 answers (A Helpful Person)
1st
1unit = 40
2unit = 40x2 = 80
The answer is 80.