27 February 2012

• 08:3608:36, 27 February 2012 diff hist +1 2012 AMC 10B Problems/Problem 18 →Solution 18
• 08:3408:34, 27 February 2012 diff hist +6 2012 AMC 10B Problems/Problem 18 →Solution 18
• 08:3308:33, 27 February 2012 diff hist +13 2012 AMC 10B Problems/Problem 18 →Solution 18
• 08:2008:20, 27 February 2012 diff hist +1,452 N 2012 AMC 10B Problems/Problem 18 Created page with "==Problem 18== Suppose that one of every 500 people in a certain population has a particular disease, which displays no symptoms. A blood test is available for screening for this..."