nathankiehn60 nathankiehn60

10-05-2017
Mathematics

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A printer prints 28 photos in 8 minutes. How many minutes does it take to print 21 photos.

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jdoe0001 jdoe0001

10-05-2017

[tex]\bf \begin{array}{ccllll} photos&minutes\\ \textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\ 28&8\\ 21&x \end{array}\implies \cfrac{28}{21}=\cfrac{8}{x}[/tex]

solve for "x"

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