Every individual at a party of thirty-eight people said hello exactly once to each of the other people at the parry, how many "hello's" were told at the party?
Every individual at a party of thirty-eight people said hello exactly once to each of the other people at the parry, how many "hello's" were told at the party?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 10P
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Every individual at a party of thirty-eight people said hello exactly once to each of the other people at the parry, how many "hello's" were told at the party?
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