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January 31, 2015

January 31, 2015

Posted by **kelsey** on Sunday, December 18, 2011 at 4:32pm.

- physical science -
**bobpursley**, Sunday, December 18, 2011 at 4:36pmspeed= distance/time= 20km/.75hr=80/3 km/hr= 27km/hr

- physical science -
**Ms. Sue**, Sunday, December 18, 2011 at 4:37pmHe travels 20 km in 0.75 hours. Therefore me must be going more than 20 km/hr.

Which do you think is the most reasonable answer?

- physical science -
**Lily**, Friday, August 15, 2014 at 1:27pm15 km/hr

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