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Birthday Party
Problem
At a birthday party, one-half drank only lemonade, one-third drank only cola, fifteen people drank neither, and nobody drinks both.
How many people were at the party?
Problem ID: 273 (21 Apr 2006) Difficulty: 1 Star
At a birthday party, one-half drank only lemonade, one-third drank only cola, fifteen people drank neither, and nobody drinks both.
How many people were at the party?
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