AC Lim's answer to Darshan's Primary 6 Maths Data Analysis Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Let number of student =u
Total Pens = 4u +18
Total pencils = 6u -6
Total pen and pencils are same...
4u+18=6u-6
2u = 24
1u = 12
A) number of pupils = 12
B) pen at 1st = 4u +18
= (4×12)+18
=66 pens.
Total Pens = 4u +18
Total pencils = 6u -6
Total pen and pencils are same...
4u+18=6u-6
2u = 24
1u = 12
A) number of pupils = 12
B) pen at 1st = 4u +18
= (4×12)+18
=66 pens.
Date Posted:
4 years ago
If you can not understand this method, you can use listing method. Let me know if needed.
Thank you
360 Tutoring Program