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Jit meng
Jit Meng

Sec 1 chevron_right Math chevron_right Singapore

Help.

Date Posted: 6 years ago
Views: 579

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Tea Pei Si
Tea Pei Si's answer
25 answers (Tutor Details)
1st
1) convert seconds to minutes
2) convert minutes to hour
3) convert metres to kilometres.

You can convert seconds to hour for faster workings, just take 330x60x60 then :)