Finger Math 13 + 24 = 40 In a far off galaxy on a distant planet, some extra-terrestrial children were busy in math class.  The students completed the following equations:   13 + 24 = 40 10 x 10 = 100 5 x 3 = 21   If the computations are correct on their planet, how many fingers do the children have on this planet?
September 26, 2005
Past Problems
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	Radu Casian Ionescu. Montreal, Quebec, Canada Brian Hetrick. UNH, Manchester NH Adrian Atanasiu. Bucharest, Romania A]bhijeet Singh. Seas, Rai Foundation Colleges, Mumbai, India Lisa Schechner. Schreiber High, Port Washington, NY Bob Mitchell. Normal, IL Patrick McHenry. Gloucester City Schools, Gloucester, NJ  Jerrold Greenberg.  New York, NY Francois Bonjean. Liege, Belgium Beth Rogers. W. B. Beam Inter. Cherryville, NC Kathrin Baur. Pan American School of Bahia, Salvador, Bahia, Brazil Cara Ong. Singapore Jon Eisenberg. Dartmouth High School, Dartmouth, MA Phillip Ai. Hammarskjold Middle School, East Brunswick, NJ Roger Steffens. Atlanta, GA Allamanis Miltiadis. Anatolia High School, Thessaloniki, Greece Bojan Ilic. Prirodno-matematicki fakultet Nis, Nis, Serbia & Montenegro Viktor Elbert. Franklin High School, MD Frank McGartland. Saskatoon, SK., Canada Gustavo Amorim. Pan American School of Bahia, Salvador, Bahia, Brasil Pedro Teixeira. 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