<Li> Steve Wozniak, a co-founder of Apple Inc., has been using $2 banknotes separated from 4 - bill uncut sheets (glued together into pads), to surprise merchants and waiters . </Li> <Li> It has become common and trendy for patrons of Wolfgang's Steakhouse located on Park Ave in Manhattan to leave a full sheet of $2 (or portion thereof) as a tip for service . </Li> <Ul> <Li> Ukrainian hryvnia </Li> </Ul>

How many bills are in a sheet of money