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Here's this week's
challenge problem! Solve this problem with family or friends and bring your
answer to class. Remember to turn it in (with your **NAME**)
to the clear box in the classroom. All answers are due by the end of the school
day on Friday. Good Luck and Happy Solving!!

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If there are 20
people at the party and each person shakes hands with everyone there, how many
handshakes are there? (Don’t shake your own hand.)

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ANSWER: 190 Handshakes

ReplyDeleteWrite an algebraic equation. Let x equal the number of handshakes.

x = (20*19)/2 = 190

Divide by 2 because the guests did not shake their own hands.