Xavier Sng's answer to Stressful's Primary 6 Maths Measurement Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Xavier Sng
Xavier Sng's answer
801 answers (A Helpful Person)
1st
The extra 2 marks from 15 boys will provide 6 marks to each of the girls so that the class average is 72.