4 pennies, 1 quarter, and a dime.
6
Three
Using standard American coins (1, 5, 10, 25 cents), the fewest number of coins to make $0.13 would be four -- one dime and three pennies. This number would be different in countries that use different denomination coins, such as the 2-cent piece.
6
Just one, a dime.
4 pennies, 1 quarter, and a dime.
Two coins
6
8 is the fewest number of coins needed between $0.01 and $0.49?
Three
Three coins; 50, 25, and 1.
Using standard American coins (1, 5, 10, 25 cents), the fewest number of coins to make $0.13 would be four -- one dime and three pennies. This number would be different in countries that use different denomination coins, such as the 2-cent piece.
Oh, dude, to make 90 cents, you can use a combination of a quarter (25 cents), a quarter (25 cents), and a dime (10 cents). Or, you could go wild and use three dimes (30 cents) and three nickels (15 cents). It's like a math puzzle, but with money!
6
There are 4 dimes
Four current American coins