Question
In an old books sale, 1720 magazines were sold on Friday. 120 fewer magazines were sold on Thursday than on Friday. 310 more magazines were sold on Saturday than on Friday. How many magazines were sold altogether on the three days?
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In an old books sale, 1720 magazines were sold on Friday. 120 fewer magazines were sold on Thursday than on Friday. 310 more magazines were sold on Saturday than on Friday. How many magazines were sold altogether on the three days?