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primary 6 | Maths | Percentage
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Richelle
Richelle

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

help pls thx if you did :)

Date Posted: 4 years ago
Views: 264
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AC Lim
AC Lim
4 years ago
Different in average = 11.75-9.50 = 2.25
Different in amount = 34.25 - 11.75= 22.5
Numbers of book= 22.50/2.25 = 10 books
At the end = 10+1=11 books

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AC Lim
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