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Sunny_sXe [5.5K]
3 years ago
10

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

the office phones?
Mathematics
1 answer:
sergey [27]3 years ago
5 0


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

85 * 84 = 7140 connections

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