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primary 5 | Maths | Percentage
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Hamster
Hamster

primary 5 chevron_right Maths chevron_right Percentage chevron_right Singapore

Pls help me for this question.
Thank you (=´∀`)

Date Posted: 3 months ago
Views: 45
snell
Snell
3 months ago
60% = 3/5
25% = 1/4
rest = 15% = 3/20

total: 20u
c cookies: 12u
p cookies: 5u
a cookies: 3u

12u = 3u + 225
u = 25

(a)
at first, 25x20 = 500 cookies


(b)
80% = 4/5

4/5 x 12 x 20 = 192 chocolate cookies sold.


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Jie Ling
Jie Ling's answer
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