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30-05-2019
Mathematics

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at a bookstore, 8 similar books cost y dollars. what is the price of 3 such books?

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jdoe0001 jdoe0001

30-05-2019

[tex]\bf \begin{array}{ccll} books&price\\ \cline{1-2} 8&y\\ 3&x \end{array}\implies \cfrac{8}{3}=\cfrac{y}{x}\implies 8x=3y\implies x=\cfrac{3}{8}y[/tex]

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