Elmo's answer to Suhana's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Elmo
Elmo's answer
11 answers (A Helpful Person)
Half a unit is 84+2=86.
1 unit=86×2=172
4 unit=688.
Therefore,Shamila have 688 at first