Assertion: ream's sheet | /r/HasProperty | 20 quires
Facets:
Source sentences:
text: Formerly it was 480 sheets, 20 quires, for common sizes such as letter-size paper (8-1/2" x 11").
text: Writing paper measurements[ citation needed ] 25 sheets = 1 quire 500 sheets = 20 quires = 1 ream 1,000 sheets = 40 quires = 2 reams = 1 bundle