Question
In an old books sale, 1820 magazines were sold on Friday. 400 more magazines were sold on Thursday than on Friday. 280 fewer magazines were sold on Saturday than on Thursday. How many magazines were sold altogether on the three days?
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In an old books sale, 1820 magazines were sold on Friday. 400 more magazines were sold on Thursday than on Friday. 280 fewer magazines were sold on Saturday than on Thursday. How many magazines were sold altogether on the three days?