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krieve September 25th, 2008 09:13 PM

Speed, Time and distance>?
Pete cycles home from school everyday. He cycle
uphill at speed of 4km/h,
on normal road at 6km/h
and downhill at 12km/h.
Took him 2hr20mins to cycle home everyday.
What is the distance between his school and home?

Can someone help mi on this one? thankz

skipjack September 26th, 2008 04:51 AM

If Pete uses normal roads when cycling home, he cycles 14km in 2hr 20mins. Of course, the distance as the crow flies between his school and home could be considerably less than that.

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