SOLUTION: a scooterist drives at a speed of 40 km/hr and reaches his destination 5 minutes late. If he drives at a speed of 50 km/hr he reaches his destination 10 minutes early.How far is th

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Question 804109: a scooterist drives at a speed of 40 km/hr and reaches his destination 5 minutes late. If he drives at a speed of 50 km/hr he reaches his destination 10 minutes early.How far is the destination?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
a scooterist drives at a speed of 40 km/hr and reaches his destination 5 minutes late. If he drives at a speed of 50 km/hr he reaches his destination 10 minutes early.How far is the destination?
***
letx=distance to destination
travel time=distance/speed
..
arrive time at 40 km/hr=arrive time at 50 km/hr
x%2F40-5%2F60=x%2F50%2B10%2F60
x%2F40-x%2F50=5%2F60%2B10%2F60
10x%2F2000=15%2F60
x%2F200=1%2F4
x=200/4
x=50
distance to destination=50 km