<PRE><B>Question 498514</B>
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22.5 minutes is one-half of 45 minutes.  45 minutes is three-quarters of an hour, half of three-quarters is three-eighths, so 22.5 minutes is three-eighths of an hour.  Divide 9 miles by 3/8 hour, which is to say multiply 9 by 8/3 to get miles per hour (remember invert and multiply?).  The rest is up to you.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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