SOLUTION: Two cars are traveling toward each other, starting at the same time 480km apart. If they meet after 4 hours, and one car is traveling 40 kph faster than the other, how fast is

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Question 301400: Two cars are traveling toward each other,
starting at the same time 480km apart. If
they meet after 4 hours, and one car is
traveling 40 kph faster than the other, how
fast is each car moving?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
480=(X+X+40)4
480=(2X+40)4
480=8X+160
8X=480-160
8X=320
X=320/8
X=40 KPH. FOR THE SLOWER CAR.
40+40=80 KPH. FOR THE FASTER CAR.
PROOF:
480=(40+80)4
480=120*4
480=480