AC Lim's answer to Callisto Chua's Primary 5 Maths Percentage Singapore question.
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Nancy = 40%
Remaining = 60%
Trisha = 60/100 x 60% = 36%
Yasmin = 24%
N : T : Y
40: 36: 24
10:9: 6
-5
5 : 6 : Y
Trisha ratio NO CHANGE.
--------------------------------------
N : T : Y
10: 9 : 6 (all x2)
20 : 18 : 12
-5
5: 6 (all x3)
15: 18
Therefore, Yasmin receive 12 sweets.
Remaining = 60%
Trisha = 60/100 x 60% = 36%
Yasmin = 24%
N : T : Y
40: 36: 24
10:9: 6
-5
5 : 6 : Y
Trisha ratio NO CHANGE.
--------------------------------------
N : T : Y
10: 9 : 6 (all x2)
20 : 18 : 12
-5
5: 6 (all x3)
15: 18
Therefore, Yasmin receive 12 sweets.
Date Posted:
4 years ago