<PRE><B>Question 209688</B>
you and a friend share the driving on a 300 mile road trip. your friend drives for 3 hours at an average speed of 52mph. its now your turn. how fast must you drive for the remainder of the trip if you want to reach your hotel in 3 more hours? 
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1st 3 hr. DATA:
distance = rt = 52*3 = 156 miles
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Distance remaining: 300-156 = 144 miles
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Rate to drive 144 miles in 3 hrs.
144/3 = 48 mph
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Cheers,
Stan H.
Reply to stanbon@comcast.net</PRE>