Ng Bee San's answer to Vicklaus Ng's Primary 6 Maths Ratio Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
If add one sweet, will be divisible by 4, 5, 9. So number of sweets = lowest common multiple - 1 = 180 - 1 = 179
Date Posted:
3 years ago
360 Tutoring Program