Verified Answer :

  1. find the speed of a car
    the distance is 124 miles and the time is 2 hours
    the speed is defined as distance / time, therefore
    speed = 124/2 = 62 miles/hour
    that is the speed

    2.find the time from equation time = distance/speed, when the distance is 395 miles and the speed is 79 miles/hour, then
    time = 395 miles / 79 miles/hour = 395/79
    time = 5 hours

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