A book has 720 pages and both side of all pages from 1 - 360 consists of 2 chapters and each side of all pages from 361 to 720 consists of 5 chapters. If it takes 12 minutes to write each chapter from pages 1 - 360 and 9 minutes to write each chapters from pages 361-720, How much time will it take to write all chapters from pages 1 to 360 , 361 to 720 and the full book ?
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455 is the correct answer
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455 is the correct answer
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