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6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21

6 people meet for a business lunch. Each person shakes hands once with each other person present. How many handshakes take place?

15

25

30

21