Question
In an old books sale, 1590 textbooks were sold on Friday. 370 more textbooks were sold on Thursday than on Friday. 270 fewer textbooks were sold on Saturday than on Thursday. How many textbooks were sold altogether on the three days?
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In an old books sale, 1590 textbooks were sold on Friday. 370 more textbooks were sold on Thursday than on Friday. 270 fewer textbooks were sold on Saturday than on Thursday. How many textbooks were sold altogether on the three days?