caoi1lyss5avani
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  • 19-09-2016
  • Chemistry
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some athletes have as little as 3.0% body fat. if such a person has a body mass of 69kg. how many pounds of body fat does that person have?

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Yipes
Yipes Yipes
  • 19-09-2016
[tex]69kg \ \ \rightarrow \ \ 100\%\\ x\ \ \ \ \ \ \ \rightarrow \ \ 3 \%\\\\\ x=\frac{3\%*69kg}{100\%}=2,07kg\\\\\\ 1kg \ \ \ \ \ \ \ \rightarrow \ \ \ 2,2 \ pounds\\ 2,07kg \ \ \rightarrow \ \ \ x\\\\ x=\frac{2,07kg*2,2pounds}{1kg}=4,554pounds[/tex]
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