Many countries have $1 and $2 coins. Please post a new question with the name(s) of the country(ies) you're interested in.
5.5
The answer will depend on which country's dollar: there are many countries that use the dollar as a currency and they have different coinage.
A number of countries issue $2 coins, though not the U.S. Please post a more specific question.
1 coin= $1 dollar piece 2 coins= 2 $0.50 pieces and so on. The least number of coins impossible to go into a dollar is 77 coins.
The answer will depend on the country whose dollar you mean. Different countries, that use dollar, have coins of different denominations.
The US had 20 dollar gold coins and also 10, 5, 2 1/2 and 1 dollar gold coins.
In a 2 dollar coin there are 20 10c coins in it
2 dollar coins 5 dimes 2 pennies
number of $2 coins = 277$555/$2 = 277.5
25lbs
There are 100 cents in the Australian Dollar. That can constitute - 20 x 5 cent coins. 10 x 10 cent coins. 5 x 20 cent coins. 2 x 50 cent coins. 1 x 1 Dollar coin. The 1 and 2 cent coins are no longer in circulation.