SOLUTION: two cars travel towards each other on a 100 km stretch of road one at 80 km per hour and one at 70 km per hour, how long till they meet

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Question 810298: two cars travel towards each other on a 100 km stretch of road one at 80 km per hour and one at 70 km per hour, how long till they meet
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
t=d/r
100/150=2/3hr =40 minutes