Numbers

4.6 lbs. Average amount of weight a Tyrannosaurus rex is estimated to have gained per day over four of its teenage years of most rapid growth

30 Age to which a typical T. rex is estimated to have lived

$78,460 Average tax cut this year for Americans whose annual household income ranks in the top 1%, according to a new Congressional Budget Office report

$1,090 Average tax cut this year for households with an average annual income of $57,000

13.5% Chance that a 2004 Chrysler Pacifica will roll over in a crash, the best safety rating for an SUV

13% Amount Pacifica sales were down in July compared with last year's July sales

2 million Number of precinct poll workers needed for the November election

1.5 million Number of trained precinct poll workers

72 Average age of a U.S. precinct poll worker

Sources: New York Times (4); NHTSA; Chrysler Group; USA Today (3)