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primary 6 | Maths | Data Analysis
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Dean
Dean

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Helpp pls

Date Posted: 4 years ago
Views: 477
snell
Snell
4 years ago
(a)
15% = 3/20
3/8
1/4

1- 3/20 - 3/8 - 1/4
= 9/40

9/40 = 405
40/40 = 1800

1800 pupils


(b)
3/20 ÷ 3/8
= 3/20 x 8/3
= 2/5

fraction = 2/5

OR
3/20 x 1800 = 270

3/8 x 1800 = 675

fraction = 270/675 = 2/5


...

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Ben01
Ben01's answer
16 answers (A Helpful Person)
1st
a) 1800 b)2/5