Question
Xuan read a book from Tuesday to Friday. Every day, she read 20 more pages than the day before. She read 73 pages on Friday. How many pages of the book did Xuan read from Tuesday to Friday altogether?
2 m

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Xuan read a book from Tuesday to Friday. Every day, she read 20 more pages than the day before. She read 73 pages on Friday. How many pages of the book did Xuan read from Tuesday to Friday altogether?