Question
In an old books sale, 1100 manuals were sold on Saturday. 160 fewer manuals were sold on Friday than on Saturday. 400 more manuals were sold on Sunday than on Saturday. How many manuals were sold altogether on the three days?
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In an old books sale, 1100 manuals were sold on Saturday. 160 fewer manuals were sold on Friday than on Saturday. 400 more manuals were sold on Sunday than on Saturday. How many manuals were sold altogether on the three days?