Choose one of the following POW's:
In a certain village live 800 women. Three percent of them are wearing one earring. Of the other 97 percent, half are wearing two earrings and half are wearing none. What is the total number of earrings being worn by the women?
Handshakes
There are 26 students in your class (including yourself). Every student shakes hands with exactly one-half of the students in the room. What is the minimum number of handshakes that occurred?
Prove it with a picture, table, or equation/rule (or all three!)
Hint: First try this problem with smaller numbers to find a pattern and then apply your pattern to the above situation.
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