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secondary 4 | E Maths
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yingxuan
Yingxuan

secondary 4 chevron_right E Maths

hi! i need help in this ques

Date Posted: 7 years ago
Views: 381

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Siow Lin Hoe
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Use distance as base because time taken are the same. River water speed also the same.
When moving up the boat resultant travel distance reduce due to river water go again it.
When moving down, the resultant distance increased.
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Siow Lin Hoe
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By algebra method