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.
[X]. Indianaâs average gasoline prices continue to be higher than the national average, but they are lower than they were at this point a year ago. The stateâs average price per gallon is $3.75, ninth highest in the country.The national average is $3.68.tates such as Hawaii and Alaska have two of the highest average gas prices per gallon with Alaska at $4.06 and Hawaii at more than $4.30. The highest gas prices in the continental United States are in California, which averages $4.09 per gallon.