SOLUTION: Two cars leave Chicago, one traveling east and the other west. After 4 hours they are 492 miles apart. If one car is traveling 7 mph faster than the other, find the speed of each.
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Question 560032: Two cars leave Chicago, one traveling east and the other west. After 4 hours they are 492 miles apart. If one car is traveling 7 mph faster than the other, find the speed of each.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You can think of one car as standing still
and the other traveling at the sum of their
speeds.
Let the speed of the slower car =
The faster car's speed is
-----------------
The equation of the moving car is
Their speeds are 58 mi/hr and 65 mi/hr
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