Heeran Ravindran's answer to rei's Secondary 2 Maths Singapore question.

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Heeran Ravindran
Heeran Ravindran's answer
16 answers (Tutor Details)
1. The return journey is faster and hence a shorter time taken. For example, A to B is 30minutes whereas B to A is 28minutes. Therefore it is 10/x - 10/x+10.
2. Must convert the 2 minutes into hours as the question is in km/h.

Hope this helps, happy studying! :D
rei
Rei
3 years ago
Thx