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If you have 35 silver coins and 49 copper coins and you will need the same number of coins on each shelves how many shelves will you need?
Ladyballers
you can put 7 copper coins on each shelf and 5 silver on each. 7 shelves
Wiki User
∙ 15y ago
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What is added to make coins minted coins?
ALL coins are "minted" coins because they're made at a mint.They are never pure silver or gold. US silver coins used to be 90% silver with some 10% copper added to make them harder so they wouldn't wear out as quickly.Now coins like quarters or dimes are clad. That means they are like a sandwich. They have a layer of copper and nickel on the top and bottom, and copper in the middle. If you look at the side of a quarter, you can see the copper.
Is a 1964 dime pure silver?
It's made of an alloy of 90% silver and 10% copper. The U.S. never made 100% silver coins for circulation. The metal would be too soft for daily use. All circulating silver coins had at least 10% copper in them.
Is a 1968 half dollar made of pure silver?
No circulating U.S. coins were ever made of pure silver. It's too soft. Up to 1964 U.S. silver coins had 10% copper in them for hardness. 1965 to 1969 halves were made of 40% silver and 60% copper, while dimes and quarters from 1965 onward were and still are made of copper-nickel. Halves were converted to copper-nickel in 1971.
How much silver is in a dime 1964 or older?
U.S. silver coins dated 1964 and earlier are almost all composed of 90% silver and 10% copper.
What is the value of an all silver quarter?
No such coin exists, however, coins dated 1964 and before are 90% silver and 10% copper and they are worth around $5 in silver content at the time of writing.
When did copper get added to silver coins?
Copper has almost always been used in silver coins, because pure silver wears out faster.
Why do older coins weigh more than younger coins?
Older coins were made of different metals, such as silver or copper. Coins that used to be silver are now nickel or nickel-coated copper, and coins that were copper are now copper-coated steel or zinc.
How do you determine if an Eisenhower dollar is silver?
Silver coins have a whiter color than copper-nickel alloys, which are grayer. Also you can go by date. The US switched from silver coins to copper-nickel coins in 1965.
What is the silver value of a 1923 gold coin?
Not a meaningful question. Gold coins were made from gold and copper without any silver in them. Silver coins were made from silver and copper without any gold.
What cleans copper coins without harming them?
the best way to clean copper or silver coins and jewelry is ashes
What is the value of silver dollar 1977?
There are no "silver" 1977 coins...they are copper-nickel Eisenhower coins and they are worth $1.00
What is the value of a 1977 silver dollar?
There are no "silver" 1977 coins...they are copper-nickel Eisenhower coins and they are worth $1.00
What kind of material are coins made out of?
copper and silver
What was the old roman economy silver coin?
The Romans had a number of silver coins: the denarius, the sestertius and the argenteus. In the Late Empire there were the miliarense and the siliqua. The Romans also had gold, bronze, brass and copper coins.
What are coins made of in the 1800?
U.S. coins were copper, silver and gold in the 1800's.
What are coins made out of in 1900?
Copper, Nickel, Silver and Gold
How much is your 1971 pure silver dollar worth?
American circulation coins were never made of pure silver. They contained at least 10% copper for hardness. 1971 dollar coins for circulation contained NO silver - they were made of copper and nickel. Collectors' coins were struck in 40% silver.
