SOLUTION: Two automobilesa start out from two points 600 kilometers apart and travel toward each other.The automobile from the east travels at 10kph faster than the automobile from the west.

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Question 551649: Two automobilesa start out from two points 600 kilometers apart and travel toward each other.The automobile from the east travels at 10kph faster than the automobile from the west. If they meet afetr 5 hours, what is the average speed of each automobile?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Automobile I x mph
Automobile II x+ 10
..
They are moving towards each other

So add up their speed.

combined speed = x+ 1 x + 10
( 2 x + 10 )
Time = 5 hours
Distance = 600 miles
Distance = speed * time =
( 2 x 10 )* 5 600
10 x + 50 = 600
10 x = 600 + -50
10 x = 550
/ 10
x= 55 mph Automobile I
Automobile II 55 + 10 = 65 mph