Puzzle for April 2, 2010

On this day in 1792, Congress passed the Coinage Act. President George Washington installed top astronomer and mathematician David Rittenhouse as the Mint's inaugural Director. During his tenure, Rittenhouse helped usher 11,178 copper coins into circulation; he also oversaw the initial issues of gold and silver currency.

The first Mint, located in Philadelphia, was soon joined by 3 other facilities. The facility that would become the Mint in Denver, Colorado produced $600,000 in gold coins in the year before the US government took it over. How many gold half dollars would they have to make each week to make that many coins?

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