Claire Petersky wrote:
If a bicyclist rides for 45 minutes at 10 mph when it's 6 degrees C in a
rainstorm in the dark, upon arrival at home, for how long does she have to
shower with water at 41 C before her toes thaw out?

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Warm Regards,

Claire Petersky

Insufficient data. We need to know the size of her toes and her
heartrate. BTW, given the question shouldn't that be "Frozen Regards"?

just plain regards,
Bob Hunt