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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: 6 years ago
Views: 347

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Siow Lin Hoe
Siow Lin Hoe's answer
658 answers (Tutor Details)
1st
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
Siow Lin Hoe's answer
658 answers (Tutor Details)
By algebra method