Sunday, December 2, 2007

Math Challenge December 3


On an average, the heart of an adult beats about 72 times a minute and that of a child beats between 90 and 120 times a minute. If your mom's heart rate is 72 times per minute and yours is 100 times per minute, how much faster is your mom's heart?

Send answers to kellys3ps@sbcglobal.net

Good Luck!

Kelly

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