SOLUTION: Two cars travel the same distance. The first car travels 40 mph and reachis its destination in t hours. The second car travels at a rate of 55 mph and reaches its destination 3 h
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Question 390941: Two cars travel the same distance. The first car travels 40 mph and reachis its destination in t hours. The second car travels at a rate of 55 mph and reaches its destination 3 hours earlier than the first car. How long does it take car one to reach the destination?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Two cars travel the same distance. The first car travels 40 mph and reachis its destination in t hours. The second car travels at a rate of 55 mph and reaches its destination 3 hours earlier than the first car. How long does it take car one to reach the destination?
...
Car A speed = 40 mph time = t hours
..
Car B speed = 55 mph time = t-3 hours
...
Distance = speed * time
Distance is same for both cars
40*t = 55(t-3)
40t=55t-165
40t-55t=-165
-15t=-165
/-15
..
m.ananth@hotmail.ca
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