Question
Mary read a book from Thursday to Saturday. Every day, she read 15 more pages than the day before. She read 83 pages on Saturday. How many pages of the book did Mary read from Thursday to Saturday altogether?
2 m

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Mary read a book from Thursday to Saturday. Every day, she read 15 more pages than the day before. She read 83 pages on Saturday. How many pages of the book did Mary read from Thursday to Saturday altogether?