physics

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a dog escapes from his front yard a 3:15pm and is discovered 3.5 miles from home at 4:50pm. What is the dog's average speed in mph. how do you solve this i am lost

  • physics -

    avg speed= distance/time=3.5/time

    but time is 1hr 35 min, or 1 35/60 hr or 95/60 hr

    avg speed=3.5/(95/60)=3.5*60/95 miles/hr

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