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Mathematics, 14.02.2021 23:10, stmy1969
3. 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, she blinked 26 times per
minute. When she was 12, she blinked 25 times per minute. At 10 years old, Katelyn averaged 9 hours,
45 minutes of sleep each day; at age 11, she slept 9 hours, 30 minutes; at age 12, she slept 9 hours, 15
minutes. What is the sum of the number of times Katelyn blinked when she was 10, 11, and 12 years
old? (Use 365 days in a year).
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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3. From birth, a normal person blinks an average of 25 times a minute when awake. When Katelyn was...
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