One 500-sheet pack of paper for a copy machine or a printer
[DOC] [TLE] Georgia-Pacific Standard Multipurpose Paper, 8.5" x 11", 20lb, 92 ... [PAR] HP Multipurpose Paper, 96 Brightness, 20 lb, 8 1/2 x 11 .... Each ream contains 
500 sheets of 20-pound, 92 brightness white paper in letter size.