People are inactive lately. Maybe school started again?
Imamadmad and Blueeighthnote
Calculators are permitted for the following 3 questions, and both of you were correct on the last question.
(#286.) When each of five numbers is doubled, the mean of the five new numbers is 60. What wasa the mean of the five original numbers?
(#287.) A list of 20 numbers has a mean of 37. When two numbers are removed from the list, the new mean is 38. What is the mean of the two numbers that were removed?
(#288.) The mean, median and unique mode of six positive integers are 8, 7, and 3 respectively. What is the maximum possible value for the range of the six numbers?
(#6.) If x+y=7 and x-y=1, what is the value of the product xy?
1. Blueeighthnote: 1700 points (2 achvmt pkgs)
2. TimBluesWin: 625 points (1 achvmt pkg)
3. Imamadmad: 225 points (1 achvmt pkg)
4. 69.235...: 200 points (1 achvmt pkg)
5. Julianthewiki: 100 points (1 achvmt pkg)
6. Zombiebird4000: 20 points (1 achvmt pkg)
7. Supermario3459: 15 points (1 achvmt pkg)
8. Wildoneshelper: 10 points (1 achvmt pkg)
9. Emmaelise401: -- points (There is no penalty for guessing!)
The tally is 2.