Every person at a party of twenty eight people said hello to each of the other people at the party once. How many "hellos" were said at the party?

asked Jul 26, 2023 210k views

20 votes

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10 votes

Answer:

756 hellos

Explanation:

Each 28 persons say hello once to every 27 persons

So, 28 × 27= 756

Brian Kennedy answered Jul 31, 2023

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