<PRE><B>Question 744496</B>
A train traveled at an average speed of 45 miles 
per hour for 2 hours and 30 miles per hour for 
3 hours. What is the total number of miles that 
the train traveled? 
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distance = rate*time
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d = 45*?
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What is the time?  2 hrs 30 min OR 3 hrs?
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Cheers,
Stan H.</PRE>