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RE: [RC] Figuring MPH? - Libby & Quentin Llop

I had a singing chemistry teacher in high school who taught us this. He
called it "Uncle Carroll's fabulous fraction bar". Write 15 miles, draw a
line under it. Under the line write 70 minutes. This is where you sing, but
we don't want minutes (write minutes above the bar, leaving a space in
front), we want hours (write hours under the bar). Now fill in the
conversion rates i.e.. put 60 in front of the minutes because there are 60
minutes in an hour. Now cross out everything above and below the bar that is
the same (minutes). You will now have:  15 miles 60
                                        70 hours    Multiply the # above
the line and divide by the #s below the line and you have 12.85 mph.
    Libby
    (Quentin, who majored in math at Yale, might have told you a different
way)

-----Original Message-----
From: ridecamp-owner@xxxxxxxxxxxxxxxxx
[mailto:ridecamp-owner@xxxxxxxxxxxxxxxxx]On Behalf Of FASTGraphic@xxxxxx
Sent: Friday, September 05, 2003 2:40 AM
To: ridecamp@xxxxxxxxxxxxx
Subject: [RC] Figuring MPH?


Okay, so when it comes to mathematics, I am a mental midget.  Could someone
PLEEEEEEEEEEEASE tell me the formula for figuring average MPH?  For
instance,
if I ride 15 miles in an hour and ten minutes, what was my average MPH?  Go
ahead, make fun of my shortcomings if you will, but please give me the
formula?
:o)
Scott

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[RC] Figuring MPH?, FASTGraphic