There are 40 computers in the local network of some organization. Some pairs of computers are connected by cables

There are 40 computers in the local network of some organization. Some pairs of computers are connected by cables, with 6 cables coming from each computer. How many such cables are used in this network?

Let x be the number of cables. One cable connects two computers. Then it turns out:
x = (40 * 6) / 2 = 120 (cables)
Answer: 120 cables



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