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a party of 145people have tea at 22tables at some tables they are 7people and 6of the others how many tables are their 7people
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a party of 145people have tea at 22tables at some tables they are 7people and 6of the others how many tables are their 7people

User Constantine Georgiou
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If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.
User Amagrammer
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