naksharretzi naksharretzi

13-03-2017
Mathematics

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A patient tells the nurse that she has smoked two packs of cigarettes a day for 20 years. the nurse records this as how many pack-years?

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501stDeathtrooper 501stDeathtrooper

13-03-2017

There are 365 days in a year
2 packs x 365 days = 730 packs per year

check work:

730 divided by 2 = 365

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