Two boys starting from the same place walk at a rate of
5kmph and 5.5kmph respectively.what time will they take to be
8.5km apart, if they walk in the same direction
Choose one.
A) 17 hrs B) 11 hrs C) 19 hrs D) 7 hrs E) 21 hrs
The relative speed of the boys = 5.5kmph – 5kmph = 0.5 kmph   Distance between them is 8.5 km   Time= 8.5km / 0.5 kmph = 17 hrs   17 hrsnswer is 17 hrs.
<result>A</result>
Two boys starting from the same place walk at a rate of
5kmph and 5.5kmph respectively.what time will they take to be
8.5km apart, if they walk in the same direction