SOLUTION: A bus​ averages 4 miles per hour faster than a trolley. If the bus travels 170 miles in the same time it takes the trolley​ to travel 150 miles, then what is the speed

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Question 1130215: A bus​ averages 4 miles per hour faster than a trolley. If the bus travels 170 miles in the same time it takes the trolley​ to travel 150 miles, then what is the speed of each?
Answer by ikleyn(52784)   (Show Source): You can put this solution on YOUR website!
.
The problem literally says that


 = ,


where t is the speed of the trolley


170*t = 150*(t+4)

170t = 150t + 600

20t = 600

t = 600/20 = 30 miles per hour is the trolley speed    ANSWER

           and 30+4 = 34 mph is the bus speed.         Answer

Solved.


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