41. I can finish the problems in one chapter of my physics book in 8 hours. Suppose
each chapter takes the same time, and there are 30 chapters. How many
working at the same rate as me would it take to finish the book in 24 hours?
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1 chapter takes 8 hours
Therefore 30 chapters take 30 × 8 =240 hrs.
It takes 10 days to complete 30 chapter
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