Shruthi M Durai's answer to Hazel's Primary 6 Maths question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Since total sum of pupils in both teams do not change, change the two ratios to get the same sum. That way, you can see that since when 7 blocks decrease, 14 students leave and when 7 blocks increase, 14 students enter, 7 blocks = 14 students.
Date Posted:
7 years ago
360 Tutoring Program