allyvilla allyvilla

02-04-2021
Mathematics

contestada

there are 20 people in a room if they each shake eachothers hands once and only once. how many handshakes are there all together

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woahniya1234aniya woahniya1234aniya

02-04-2021

Answer:

40

Step-by-step explanation:

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livvyloo597 livvyloo597

02-04-2021

19 they don’t shake their own hand I think

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