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14-06-2018
Physics

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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. 15 km/hr B. 27 km/hr C. 44 km/hr D. 9.0 km/hr

Respuesta :

15-06-2018

(20 km) / (0.75 hour)

= (20 / 0.75) (km/hour)

= (26 and 2/3) km/hr (B)

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