Problema Solution
Two cars start at the same time but Travel in opposite directions. One cars average speed is 30 miles per hour. At the end of 5 hours the two cars are 550 miles apart. Find the average speed in miles per hour of the car.
Answer provided by our tutors
Let 'v' represent the average speed of the second car.
Since distance = speed*time and the cars travel in opposite directions we have:
30*5 + v*5 = 550
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click here to see the equation solved for v
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v = 80 mph
The speed of the second car is 80 mph.