Faith Ng's answer to Poles's Primary 6 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Faith Ng
Faith Ng's answer
56 answers (Tutor Details)
1st
1 present takes 3.56m. Multiply by 10 presents and then add the additional required ribbon length. After that, round up to the nearest whole number.