lipika reads a book for 7 by 4 hours every day she reads the entire book in 6 days . how many hours in all were required to read the book ?
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6 days means 24 * 6 hrs
so,
1 day = 7/4
6 day = 7/4 *24*6
= 252 hrs
so,
1 day = 7/4
6 day = 7/4 *24*6
= 252 hrs
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