Question
Yoko read a book from Tuesday to Friday. Every day, she read 20 more pages than the day before. She read 83 pages on Friday. How many pages of the book did Yoko read from Tuesday to Friday altogether?
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Yoko read a book from Tuesday to Friday. Every day, she read 20 more pages than the day before. She read 83 pages on Friday. How many pages of the book did Yoko read from Tuesday to Friday altogether?