Chua Yi Da's answer to Al's Primary 5 Maths Fractions Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Chua Yi Da
Chua Yi Da's answer
17 answers (Tutor Details)
7 x 2 = 14
14 + 4 = 18
1/5 = 2/10
2/10 of her money can be used to buy 18 pens
3/10 of her money can be used to buy 27 pens
Total number of pens she bought = 27 + 4 = 31