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physical science

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

  • physical science -

    speed= distance/time= 20km/.75hr=80/3 km/hr= 27km/hr

  • physical science -

    He 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 -

    15 km/hr

  • physical science -

    27 KM/Hr

  • physical science -

    Idi

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