Siow Lin Hoe's answer to yingxuan's Secondary 4 E Maths question.
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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.
When moving up the boat resultant travel distance reduce due to river water go again it.
When moving down, the resultant distance increased.
Date Posted:
6 years ago
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