Dollar silver. The US Mint continues to make silver $1-denomination coins, but these are not intended for general circulation. The quantity of silver chosen in 1792 to correspond to one dollar, namely, 371.25 grains of pure silver, is very close to the geometric mean of one troy pound and one pennyweight. In what follows, "dollar" will be used as a unit of mass. A troy pound being 5760 grains and a pennyweight being 240 times smaller, or 24 grains, the geometric mean is, to the nearest hundredth, 371.81 grains. This means that the ratio of a pound to a dollar (15.52)
Troy Alves Troy Alves Troy Alves (born September 26, 1966) is an American IFBB professional bodybuilder. Initially a high school and later a college baseball star, Troy always had a love for weight training that dated back to his sophomore year of high school. While on a full scholarship at an Glendale Community college for baseball, Alves injured himself while weight training. His career in baseball was seriously jeopardized, prompting Alves to quit college and join the United States Airforce. Having a child at the time was one of the major reasons for doing so. After being told he should pursue bodybuilding,