Chow Tien Wei's answer to Bernice's Primary 4 Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Try modeling out the start and end cases. You will notice that the $400 represents 2/5 of Kate's initial amount.
Date Posted:
2 years ago
360 Tutoring Program