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primary 6 | Maths | Ratio
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Trustin chew
Trustin Chew

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Please help tia

Date Posted: 3 years ago
Views: 481
J
J
3 years ago
Difference in total marks

= 97 - 79
= 18

Difference in average marks

= 78.1 - 76.3
= 1.8

Number of students

= Difference in total / difference in average
= 18 / 1.8
= 10
Trustin chew
Trustin Chew
3 years ago
Thank u

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NG BAN WAH
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Trustin chew
Trustin Chew
3 years ago
thks