<PRE><B>Question 993063</B>
Grace and Chandler met for lunch. At 1 p.m., they parted ways. Maybe forever, considering how they left things. Chandler drove due south at 30 mph and Grace drove due east at 60 mph. Apparently, she was more upset than he was. At 2:30 p.m., how far away are Grace and Chandler? 
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Chandler distance:: 30*(3/2 hr) = 45 miles
Grace distance:: 60(3/2 hr) = 90 miles
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Draw the right triangle with legs of 45 and 90.
Ans: dist = hypotenuse = sqrt[45^2+90^2] = sqrt(10125) 
= sqrt[25*81*5] = 5*9sqrt(5)  = 45sqrt(5) miles
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Cheers,
Stan H.</PRE>