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How long will it take to mend 30 books if 12 books were mended in 1hour and 30 minutes?
Updated: 8/17/2019
Wiki User
∙ 15y agoBest Answer
Well, if 12 books were mended in 1 hour and 30 minutes, 24 books can be mended in 3 hours. 30-24 is 6. So, that's 6 books left to be mended. 6 is half of 12 so half of 1 hour and 30 minutes is 45 minutes. So, it will take 3 hours and 45 minutes to mend 30 books.
Wiki User
∙ 15y agoThis answer is:
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