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primary 6 | Maths | Data Analysis
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Clair
Clair

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

How to solve this problem

Date Posted: 1 year ago
Views: 257

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30 min = 0.5 h

2 × 0.5×40÷(90-40) = 72
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sakurauiky
Sakurauiky's answer
34 answers (A Helpful Person)
1st
Clair
Clair
1 year ago
Don't understand,cannot add up to 72
sakurauiky
Sakurauiky
1 year ago
Printed equal number of poster