Matthew's answer to Yao Yi's Primary 5 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Matthew
Matthew's answer
15 answers (Tutor Details)
1st
If unsure, take away the extra cost and convert them all to the same item! Then you would be able to see clearer! Hope this helps!
Yao Yi
Yao Yi
7 years ago
This help alot thanks