Answers

2014-05-22T10:37:18+05:30
Time = 30 hour
Speed = distance / time
   (1/15)y = 10
            y=150 km
y is the distance

speed or rate = distance / time
                    = 150 /30
                    = 5km/hr

The rate required to travel 150km in 30 hr is 5km/hr.
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