Alianaschramm123 Alianaschramm123
  • 13-01-2015
  • Mathematics
contestada

There are 85 telephones in the editorial department of glencoe publishing company. How many 2- way connections can be made among the office phones?

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jsblumen
jsblumen jsblumen
  • 13-01-2015


All of the telephones * all of the telephones minus one (because one is in use)

85 * 84 = 7140 connections

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