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secondary 2 | Maths
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Amelia Lee
Amelia Lee

secondary 2 chevron_right Maths chevron_right Singapore

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Date Posted: 2 months ago
Views: 14
2 months ago
6 men take 12 days to build an 8km road.
1 man takes 72 days to build an 8km road.
4 men take 18 days to build an 8km road.
4 men take (18/8 = 2.25) days to build a 1km road.
4 men take (2.25 x 6 = 13.5) days to build a 6km road.

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Neo Yu Shan
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