SOLUTION: a car travels between a and b at an average speed of 60km/h. if the car increases its average speed to 100 km/h would take 10 minutes less to make the trip. How far it is between t

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Question 807983: a car travels between a and b at an average speed of 60km/h. if the car increases its average speed to 100 km/h would take 10 minutes less to make the trip. How far it is between the towns?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Time difference with increased speed = 10 minutes = 10/60 = 1/6 hours


let distance be x
x/ 60 -x/100 = 1/6
multiply equation by 600
10x-6x=100
4x=100
/4
x=25 km