SOLUTION: A bicyclist leaves Bay Shore traveling at an average speed of 12 miles per hour. Three hours later, a car leaves Bay Shore, on the same route, traveling an average speed of 30 mile

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Question 28656: A bicyclist leaves Bay Shore traveling at an average speed of 12 miles per hour. Three hours later, a car leaves Bay Shore, on the same route, traveling an average speed of 30 miles per hour. How many hours after the carleaves Bay Shore will the car catch up to the cyclist?
1) 8
2) 2
3) 5
4) 4

Answer by Paul(988)   (Show Source): You can put this solution on YOUR website!
Let the time be x

12(x+3)=30x
12x+24=30x
6x=24
x=4

Hence, it will take about 4 hours.
Paul.

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