20
20 five cent coins add up to a dollar
16 5-cents in a dollar.
001 of a cent = 1 cent and you will need 100 of them to make a dollar.
100
1 dollar/5 cents = 100 c/5 c = 20
20 = 100 / 5
A dime is a ten-cent coin in the United States.Ten dimes are needed to make one dollar.
Two half-dollars otherwise known as a fifty cent piece make a dollar.
There are 10 ten-cent coins in one dollar. This is because each ten-cent coin represents 0.10 of a dollar, and 10 of these coins would equal 1 dollar. Therefore, you would need 10 ten-cent coins to make 1 dollar.
25 of course !... and I'm not even american !
5. a dime is 10 cent. and a dollar is 100 cent soo half of a dollar is 50 cent and 10 time 5=50 cent. :)
100 Edit: There are TWENTY 5 cent pieces in a dollar (and I'm English !)