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Darryl is reading a book at the rate of 4.5 pages per minute What ordered pair on a graph of his reading rate would represent the number of minutes it would take him to read 90 pages?

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[tex]Making\ proportion:\\\\ 4,5\ pages\ \ -\ \ \ 1\ minute\\ 90\ pages\ \ -\ \ x\ minutes\\\\ Cross\ multiplication:\\ x*4,5=90*1\\ 4,5x=90\ \ \ |Divide\ by\ 4,5\\ x=20\ minutes\\\\ \textbf{It\ will\ take\ 20\ minutes\ to\ read\ 90\ pages.} [/tex]
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Answer:

20 minutes

Step-by-step explanation:

Divide 90 by 4.5 to get 20.

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