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31 March, 12:12

After driving for 2.2 hours Marcos total distance travel was 153 miles at what constant speed will Marco need to travel for the last five minutes of the trip so that he travels the 155 mile drive in two hours and 17 minutes?

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  1. 31 March, 13:36
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    24miles/hr

    Step-by-step explanation:

    The amount of distance left to be covered is 155 miles minus 153 miles and that is 5 2 miles.

    Now, the total time left is 2hrs 17 minutes minus 2.2hrs.

    2.2hrs is 2hrs 12 minutes. Thus time left is just 5 minutes.

    Now she needs to travel 2 miles in 5 minutes. We need to know the needed speed to achieve this.

    Speed = distance/time

    For convenience sake, we will convert the 5 minutes to hours and that is 1/12 hrs or 0.08333hrs

    Thus, the speed would be 2/0.08333 = 24miles/hr
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