at a party, everyone shook hands with everybody else. there were 66 handshakes. How many people shook hands?
1 answer:
Answer:
12
Step-by-step explanation:
0 + 1 + 2 + 3+ 4 + 5 + 6 + 7 +8 + 9 + 10 + 11 seems to equal 66. That means there are 11 + 1 = 12 people (don’t forget to count the person who shakes 0 hands)
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<h3>Answer:</h3>
b^2+(4•6) b^2+24
Answer:
can u show me a picture of this problem.
Step-by-step explanation:
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Answer:21.2
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