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Question
Mary completes reading 2 books in one week. She takes 5 hours to complete one book. How many hours does she spend reading in 4 weeks?
Mary completes reading 2 books in one week. She takes 5 hours to complete one book. How many hours does she spend reading in 4 weeks?
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Solution
The correct option is A 40 h
Number of books finished in one week = 2
Number of weeks Mary reads for = 4 weeks
Total number of books read =
number of books finished in one week ×number of weeks
=2×4=8 books
Number of hours taken to finish one book = 5 h
Number of hours to finish 8 books = number of hours taken to finish one book × 8
=8×5=40 h
Number of books finished in one week = 2
Number of weeks Mary reads for = 4 weeks
Total number of books read =
number of books finished in one week ×number of weeks
=2×4=8 books
Number of hours taken to finish one book = 5 h
Number of hours to finish 8 books = number of hours taken to finish one book × 8
=8×5=40 h
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hours everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book?Join BYJU'S Learning Program
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