SOLUTION: A car driving down a two lane highway has a speed of 50mph for the first part of the trip and 60 mph for the second part of the trip. The total time for the trip is 11 hrs and the

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Question 751989: A car driving down a two lane highway has a speed of 50mph for the first part of the trip and 60 mph for the second part of the trip. The total time for the trip is 11 hrs and the total distance is 630 miles. Write a system of equations modeling the trip.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=630,
X+Y=11,
50*X=x,
60*Y=y
x = 150, X = 3, y = 480, Y = 8
50*3=150
60*8=480