Fifteen pennies, three nickels, two dimes, one fifty-cent piece
You cant unless you have 100 pennies.
I'd say you can't. If all the coins are the smallest possible without pennies, they must all be nickels, and 21 of them make $1.05 . So in order for 21 coins to be not more than $1.00, there must be some pennies.
(1) $0.50 (2) $0.10 (3) $0.05 (15) $0.01
3 dimes 13 nickles 5 pennies
20 5 cents coins
One dollar can be made by adding the values of the following 21 U.S. coins: 10 pennies (10 ¢) 7 nickels (35 ¢) 3 dimes (30 ¢) 1 quarter (25 ¢) There are also many other possible configurations including: 10 pennies (10 ¢) 4 nickels (20 ¢) 7 dimes (70 ¢) and 5 pennies (5 ¢) 13 nickels (65 ¢) 3 dimes (30 ¢)
5*20 cents (Australian) make a dollar. In US and Canadian coins, a 50 cent piece, a quarter, two dimes, and a nickel also make a dollar.
Not in the US.
5 dimes and 10 nickels make 1 dollar.
10 x 10c coins
21 pennies
To make a dollar using 25 coins, you would need a combination of quarters, dimes, nickels, and pennies. One possible combination could be 3 quarters (0.75), 2 dimes (0.20), 0 nickels, and 0 pennies. This totals $1.00. Another combination could be 2 quarters, 1 dime, 0 nickels, and 20 pennies. Each quarter is worth 0.25, each dime is worth 0.10, each nickel is worth 0.05, and each penny is worth 0.01.