SOLUTION: Two cars leave Kansas City at the same time. One travels East, and the other West. After 3 hours, the cars are 369 miles apart. If one car travels 7 MPH slower than the other, f
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Question 902311: Two cars leave Kansas City at the same time. One travels East, and the other West. After 3 hours, the cars are 369 miles apart. If one car travels 7 MPH slower than the other, find the speed of each car. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Two cars leave Kansas City at the same time. One travels East, and the other West. After 3 hours, the cars are 369 miles apart. If one car travels 7 MPH slower than the other, find the speed of each car.
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let x=speed of faster car
x-7=speed of slower car
distance=traveltime*speed
3x+3x-21=369
6x=390
x=65
x-7=58
speed of faster car=65 mph
speed of slower car=58 mph
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