Question 1194356
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the gun sounded and 3 hours later bill was 6 miles ahead of rose. 
how fast did rose run if bills speed was 10 miles per hour?
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Bill's average rate was 6/3 = 2 miles per hour greater that that of Rose.


So, Rose ran at the average rate 10-2 = 8 miles per hour.    <U>ANSWER</U>
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Solved.


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The problem assumes (although hesitates to say it explicitly) that Bill and Rose start 

at the same time from the same point and run in the same direction along the same route.