SOLUTION: If a scooterist drives at the rate of 24km/hr, he reaches his destination 5 minutes too late. If he drives at the rate of 30km/hr, he reaches his destination 4 minutes too soon.

Question 879991: If a scooterist drives at the rate of 24km/hr, he reaches his destination 5 minutes too
late. If he drives at the rate of 30km/hr, he reaches his destination 4 minutes too soon.
How far is his destination ?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the distance he travels
Let = the " on time " time
----------------------------
(1)
(2)
-------------------------
By substitution:

and
(1)
(1)
(1)
(1)
(1)
(1)
The destination is 18 km away
check:
(1)
(1)
(1)
(1)
OK
You can check (2)

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