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MATH CONTEST

 

Middle School Madness

Three Year Blink - October 08, 2012

 

From birth, a normal person blinks an average of 25 times a minute when awake. 

When Katelyn was 10 years old, she blinked an average of 27 times per minute.  When she was 11 years old, she blinked an average of 26 times per minute.  When she was 12 years old, she blinked an average of 25 times per minute.  Katelyn averaged 9 hours and 45 minutes of sleep each day when she was 10 years old, 9 hours and 30 minutes when she was 11 years old and 9 hours and 15 minutes when she was 12 years old. What is the sum of the number of times Katelyn blinked when she was 10, 11 and 12 years old? (Assume 365 days in each year)

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http://mathcontest.olemiss.edu/                              Good Luck!

Mustafa Yigit

Math Teacher

 

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