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September 23, 2014

Homework Help: physical science

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

Brad rides his bike 20 km. He covers the distance in 45 minutes (0.75 hours). What is his speed in kilometers per hour? A.44 km/hr B.15 km/hr C.9.0 km/hr D.27 km/hr

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