AC Lim's answer to Norain's Primary 6 Maths Speed Singapore question.
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Total distance = 6km
Total speed = 5+4 =9km/h
Time taken = 6/9= 2/3 hour = 40mins
Therefore they 1st pass each other at
8:00 + 40 mins =8:40am
Total speed = 5+4 =9km/h
Time taken = 6/9= 2/3 hour = 40mins
Therefore they 1st pass each other at
8:00 + 40 mins =8:40am
Date Posted:
4 years ago
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