Up until 1965, all United States dimes, quarter dollars and half dollars were made of 90% silver and 10% copper. The Coinage Act of 1965 changed the compositions of these coins to reduce or eliminate their silver content because the price of silver had risen above the face value of the coins.
The annual cost of gasoline for the average family is now almost $3,100. That's up more than 50 percent from just under $2,000 a year in 2009 and is a 6.7-percent increase from the consumer advocacy group's last survey just two months ago.The cost is based on an anticipated annual average cost of $3.70 per gallon of unleaded regular gas this year.hat's up more than 50 percent from just under $2,000 a year in 2009 and is a 6.7-percent increase from the consumer advocacy group's last survey just two months ago. The cost is based on an anticipated annual average cost of $3.70 per gallon of unleaded regular gas this year.
1 There were 30 states with an annual average below $3.50 per gallon in 2013. 2  The cheapest annual metro average was $3.15 per gallon in Casper, Wyo. 3  Hawaii had the most expensive gas prices in 2013 with an annual average of $4.24 per gallon.