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Answered 2009-08-16 03:21:44

Copper has never been used as a "filler". U.S. silver coins dated 1964 and earlier are made of an alloy containing 10% copper and 90% silver. Copper is necessary to harden the coins to prevent excessive wear. By itself silver is so soft that the coins would have worn out so quickly as to be impractical for daily use.

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What kind of metal are nickels dimes and quarters made of?

Present day nickel, dimes and quarters are composed of copper and nickel.


What are quarters dimes nickels and pennies made of?

Quarters comprise 8.33% nickel and 91.67% copper.Dimes comprise the same as quarters; 8.33% nickel and 91.67% copper.Nickels comprise 25% nickel and 75% copper.Pennies comprise 2.5% copper and 97.5% zinc.


Do the present Us dimes and quarters contains silver?

No, other than silver dimes/quarters created for special collector sets, current dimes and quarters contain no silver and only contain copper and nickel.


Are 1965 quarters silver?

Not US quarters. 1965 was the first year that the US struck quarters and dimes in copper-nickel.


Are nickels and dimes and quarters made of copper?

Yes, they are all made (partly) of copper. A current nickel (5 cents) is 75% copper and 25% nickel. About the same proportion is used for the softer "clad" exterior of dimes and quarters, with a thin layer of copper in the middle.


How many ways can a 10 bill be changed into dimes or quarters or a combination of dimes and quarters?

40 quarters5 dimes, 38 quarters10 dimes, 36 quarters15 dimes, 34 quarters20 dimes, 32 quarters...90 dimes, 4 quarters95 dimes, 2 quarters100 dimesThat's 21 ways.


What year did U.S. mints start using copper sandwich in dimes and quarters?

Dimes and quarters dated 1965 and later are struck on cupronickel "sandwich" blanks. Halves dated 1965-69 were struck on a silver-copper sandwich. Halves after 1971 are made from the same cupronickel metal as dimes and quarters.


How much silver in old quarters and dimes?

U.S. dimes, quarters, half dollars, and dollars dated before 1965 contain 90% silver with 10% copper.


What is the composition of dimes quarters and half dollars?

Since 1965 for dimes and quarters, and 1971 for half dollars, the metal composition is 91.67% copper with 8.33% nickel. Each outer layer is 75% copper/25% nickel, over a solid copper core.


What are 1965 US quarters and dimes worth?

Circulating dimes and quarters dated 1965 and later are made of copper-nickel rather than silver, so they have no extra value.


How much silver is in 1960s US coins?

It depends on their dates and denominations.All cents were made of bronze, an alloy of 95% copper with tin and/or zinc.Up till 1964 dimes, quarters, and half dollars were made of 90% silver and 10% copper.Starting in 1965, dimes and quarters were made of copper-nickel, with no silver. Half dollars were made of 40% silver and 60% copper.In 1971 half dollars were changed to the same copper-nickel composition as dimes and quarters.


How do you get 1.15 with quarters and dimes?

3 quarters, 4 dimes


Bruce has 5.50 in dimes and quarters He has 8 more quarters than dimes How many quarters does he have?

He has 18 quarters (for $4.50)...........and 10 dimes ($1.00)


How many dimes and quarter you need to get 2.35?

1 quarter and 21 dimes or 3 quarters and 16 dimes or 5 quarters and 11 dimes or 7 quarters and 6 dimes or 9 quarters and 1 dime


How many quarters have the same value as 85 dimes Use the equality 4 quarters equals 10 dimes?

4 quarters=10 dimes x quarters=85 dimes quarter=10/4 dimes x (10/4 dimes) = 85 dimes x= 85 dimes/(10/4 dimes) x=34 Answer: 34 quarters


There are quarters and dimes in a box Their total value is at most 4.50 Quarters are 5 times as many as dimes How many quarters and how many dimes are at most in the box?

15 quarters, 3 dimes


If there twice as many dimes then quarters in 2.25 how many dimes are there?

10 dimes 5 quarters


What element where American dimes and quarters made of before 1965?

US dimes and quarters (along with half dollars and dollar coins) dated 1964 and earlier are made out of 90% silver and 10% copper.


What is copper needed for?

And lots of other things. There are pipes in cars made with copper and quarters and dimes have copper inside of them. There are lots of other uses as well.


How many ways can you make 2.50 from quarters and dimes?

2.50 can be made up from 10 quarters or 25 dimes, for the first two ways. The smallest number of quarters that can be substituted for dimes without changing the sum is two, substituted for five dimes. Therefore, you can have: 20 dimes + 2 quarters, 15 dimes + 4 quarters, 10 dimes + 6 quarters, or 5 dimes + 8 quarters, four additional possibilities for a total of six..


How many dimes are in 19.75 if the amount contains only dimes and quarters?

There are 39 combinations of dimes and quarters that will total 19.75 from 1 quarter and 195 dimes to 77 quarters and 5 dimes.


How many ways can you make ten dollars with quarters and dimes?

I believe there are 19 ways to make ten dollars with only quarters and dimes. Quarters have to be in increments of 2 so there would be 2 quarters and 95 dimes, 4 quarters and 90 dimes and so on til there are 38 quarters and 5 dimes.


How many quarters and dimes in 1.95?

7 quarters equal $1.75 2 dimes equal $.20 You can also get it with 5 quarters and 7 dimes. 3 quarters and 12 dimes and one other way.


If there were 520 dimes and quarters in vending machine and the ratio of dimes to quarters was 5 to 8 then how many dimes were there?

If 5 dimes to every 8 quarters that is 5 out of every 13 coins dimes and 8 of 13 coins quarters 5/13 x 520 = 200 dimes


What does 10 quarters and 7 dimes equal?

10 quarters and 7 dimes =


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