How Many Ways Can You Make 90 Cents?

90 pennies
18 nickels
9 dimes
3 quarters, 1 dime, 1 nickel
2 quarters, 4 dimes
2 quarters, 8 nickels
2 quarters, 2 dimes 4 nickels
2 quarters 1 dime 6 nickels
3 quarters 3 nickels
1 dime, 16 nickels
2 dimes 14 nickels
3 dimes 12 nickels
4 dimes 10 nickels
5 dimes 8 nickels
6 dimes 6 nickels
7 dimes 4 nickels
8 dimes 2 nickels

And then there are numerous combinations using pennies, dimes, nickels and quarters