Adwin's answer to Billd Toh's Primary 6 Maths Speed Singapore question.
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The difference in speed is 300 m/min. This means that Mr Ang is catching up to Mr Tan by 300m every min.
Since Mr Tan started 30 min earlier, resulting in a 2700m lead, we just need to divide the lead distance (2700m) by the relative speed (300m/min).
Since Mr Tan started 30 min earlier, resulting in a 2700m lead, we just need to divide the lead distance (2700m) by the relative speed (300m/min).
Date Posted:
4 years ago
Thank u. Helped a lot :)
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