Question
In an old books sale, 1980 dictionaries were sold on Thursday. 190 fewer dictionaries were sold on Wednesday than on Thursday. 270 more dictionaries were sold on Friday than on Thursday. How many dictionaries were sold altogether on the three days?
4 m

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In an old books sale, 1980 dictionaries were sold on Thursday. 190 fewer dictionaries were sold on Wednesday than on Thursday. 270 more dictionaries were sold on Friday than on Thursday. How many dictionaries were sold altogether on the three days?