Math bee at the spelling bee!
On December 10th, we had the season finals of the Williamsburg Spelling Bee. Since the Finals is open only to winners of the previous season of bees, I run some little mini-contests between the rounds that are open to anyone. Some of them are silly, like "spell a word to the tune of the alphabet song." One of the competitions, however, is the "math bee," in which I bring three volunteers on stage, and they compete to complete math problems in their heads, with a point going to the first person to shout out the answer to each question.
Here are my favorite questions from this time around:
- If Pete's cocktail menu of 7 drinks contains 3 drinks including gin, and the panini menu of 6 paninis contains 2 paninis including arugula, and you order a cocktail and a panini at random, what are your chances of receiving neither gin nor arugula?
- What is your mom's age when she had you, plus your age, divided by your mom's age now, minus your mom's age to the 0th power?
posted by JenIsFamous at 12/22/2007 11:27:00 PM
1 Comments:
1) 8/21 (4/7 x 4/6 = 16/42 = 8/21)
2) 0 (Your mom's age when she had you plus your age now is equal to your mom's age now, so one divided by the other = 1. Your mom's age to the 0th power is 1, because anything to the 0th power is 1, so if you subtract 1 from 1, you get 0).
xo
Jen
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