31.25
155 is 31 percent of 500.
-31/500
The S&P 500 index was 1,468.36 on December 31, 2007.
500/16=31+remainder of 4
500*500=25,000
31 times 31
31/500
31/500 = 0.062
32,000 times 500 is 16,000,000.
500 times 22 is 11,000.
500 times 571 is 285,500.