Question 1077415
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Your answer t = 2.5 hour is CORRECT.


It implies that the distance is 30*2.5 = 75 miles.


<U>Check</U>. Time for traveling at 50 mph is {{{75/50}}} = 1.5 hour.
       Time for traveling at 30 mph is {{{75/30}}} = 2.5 hours.
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Correct !!