Question
In an old books sale, 1520 textbooks were sold on Sunday. 150 more textbooks were sold on Saturday than on Sunday. 360 fewer textbooks were sold on Monday than on Saturday. How many textbooks were sold altogether on the three days?
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In an old books sale, 1520 textbooks were sold on Sunday. 150 more textbooks were sold on Saturday than on Sunday. 360 fewer textbooks were sold on Monday than on Saturday. How many textbooks were sold altogether on the three days?