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It took Lauren 14 hours to read a 420 page book at this rate how long would it take her to read a 600. Page book

It took Lauren 14 hours to read a 420 page book at this rate how long would it take her to read a 600. Page book
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It took Lauren 14 hours to read a 420 page book at this rate how long would it take her to read a 600. Page book

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User Stefan Moser
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\begin{array}{ccll} hours&pages\\ \cline{1-2} 14 & 420\\ h& 600 \end{array} \implies \cfrac{14}{h}~~=~~\cfrac{420}{600} \\\\\\ \cfrac{14}{h} ~~=~~ \cfrac{7}{10}\implies 140=7h\implies \cfrac{140}{7}=h\implies 20=h

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User Engin
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