The Tutoring Center, Long Grove IL

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Tutoring in Long Grove, IL

02/14/2014

Valentine's Day Riddle! There are 23 students in the fourth grade class. Each student gives every other student in the class a card. How many cards are exchanged?


The answer: 506
Each of the 23 students hand out 22 cards.  They do not give themselves one.  Therefore, the number of cards exchanged is 23 x 22 = 506.  Is there any wonder why card and candy companies advertise this holiday?!

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