Quoting from Celiac Power, “They tested the blood for gluten antibodies, expecting to see the current 1 percent rate of disease. Instead, only 0.002 percent of the airmen tested positive. Further tests showed today’s young men were 41/2 times more likely to have the illness.”

Puzzle: Arrange the numbers 0.01, 0.00002, and 20.5 in a sensible equation.