231/11 = 21 tables
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A caterer is planning a large party for 231 guest. Each table must seat an equal number of guest , more than 1 guest and fewer than 20. Determine the number of possible table sizes. If the caterers use 11 persons tables, how many tables will they need?
there are blank possibles tables sizes that will give equal number of guest more than 1 guest and fewerer than 20?
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