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º»¹®³»¿ë 4) Set up a spreadsheet for calculating daily oxygen requirements
Reasons why I typed formulae like this.
1. =24-B2-B3 (B4)
I do only three things a day; Sleeping, Very active and low activity. I don¡¯t need to know if I know at least two things. We have twenty-four hours a day so I typed 24(total hours a day) – Sleeping time (B2) – Very active (B3).
2. =B1*B2*C2 (E2)
We have to calculate, weight * Rate * hours, to get oxygen requirement. So I typed Weight (B1) * sleeping hours (B2) * Male Sleeping rate. It¡¯s same as E3, E4, F2, F3 and F4.
3. =E2+E3+E4
It¡¯s total oxygen requirement so I should add up all oxygen requirement. It¡¯s same as F5

6) What is your annual O2 requirement?.
Reasons why I typed formulae like this.
1. =365-B16 (C16)
We have three-hundred-sixty-five days a year so if we know about School days, than we are able to get result of holidays. That¡¯s why I typed three-hundred-sixty-five minus school days so that¡¯s the way how we get Holidays easily.
 
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