Question
Marion read a book from Thursday to Sunday. Every day, she read 7 more pages than the day before. She read 72 pages on Sunday. How many pages of the book did Marion read from Thursday to Sunday altogether?
2 m

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Marion read a book from Thursday to Sunday. Every day, she read 7 more pages than the day before. She read 72 pages on Sunday. How many pages of the book did Marion read from Thursday to Sunday altogether?