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Printjmc
prealgebra senior
Problem
A 420-page book contains an average of 600 words per page, and Roslyn reads the book at the rate of 360 words per minute. How many hours did it take her to read the book? Express your answer as a mixed number.
Solution
This book contains words. Roslyn reads at 360 words per minute, so it takes her minutes to read the book. To find how many hours it took her, we divide by 60: .
Final answer
11 \frac{2}{3}