DAY+54+MATH+COMPETITION

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1) An example of consecutive odd numbers is 23, 25, 27, and 29. Find four consecutive odd numbers with a sum of 160. Show your work.

2) What is 5/7 - 1/2? Show your work

3) Definitions: (a) Mean: The arithmetic average of a set of numbers, or distribution. (b) Median: The numeric value separating the higher half of a sample, a population, or a probability distribution, from the lower half. Also, the value which is such that half the scores are above it and half the scores below

Dani made the following scores on unit tests for the term: 92, 98, 15, 92, 87, 92 Dani's teacher said that his grade would be based on the mean of her grades. Dani argued that her grade should be based on the median score of her grades. Find the mean and the median of Dani's grades. Which do you think best reflects Dani's work for the term? Include your math work and written response.

4) Sam needs to rent a car for his upcoming trip. CheapWheels charges $20.25 per day plus $.14 a mile. Easy Rider charges $18.25 a day plus $.22 a mile. Sam plans to do a lot of driving on his 3-day trip. Which company should Sam go with? Explain your choice using your math skills.

Good Luck to the next pizza party winner!