AC Lim's answer to NY's Primary 6 Maths Ratio Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hope this help
Date Posted:
4 years ago
Thank you AC.
May i seek inputs how u derive 3/4 for the 321 puffs sold in the morning? Thanks again
May i seek inputs how u derive 3/4 for the 321 puffs sold in the morning? Thanks again
Left = 3/5 = 3u = 25% is 25/100 = 1/4.
Therefore, we know that sold the morning + Sold in afternoon is 3/4 = 9/12 = 9u.
Afternoon sold = 2u
Therefore morning sold =9u-2u =7u
Given morning sold = 231
So, 7u = 231....
...
... 1u= 33.
Therefore, we know that sold the morning + Sold in afternoon is 3/4 = 9/12 = 9u.
Afternoon sold = 2u
Therefore morning sold =9u-2u =7u
Given morning sold = 231
So, 7u = 231....
...
... 1u= 33.
Get it. Thanks much
360 Tutoring Program