There are 13 different combinations.
For any combination, the number of pennies P, nickels N, Dimes D, and Quarters,
P + 5N +10D + 25Q = 25 (1, 5, 6, 1)
where
P = 0, 5, 10, 15, 20, 25
N = 0 to 5
D = 0 to 2
Q = 0 or 1
The combinations are
1 quarter
2 dimes and 1 nickel
2 dimes and 5 pennies
1 dime and 3 nickels
1 dime, 2 nickels, 5 pennies
1 dime, 1 nickel, 10 pennies
1 dime, 15 pennies
5 nickels
4 nickels, 5 pennies
3 nickels, 10 pennies
2 nickels, 15 pennies
1 nickel, 20 pennies
25 pennies
Among other possible combinations: 2 Quarters, 1 Dime, 4 Nickels and 20 Pennies
Three quarters and a dime or two nickels. There are other combinations as well, such as 85 pennies.
10 quarters 7 dimes 9 pennies and 27 nickels is: $4.64
Four.
2 quarters 3 dimes 8 nickels and 7 pennies equal $1.27
Among other possible combinations: 2 Quarters, 1 Dime, 4 Nickels and 20 Pennies
The minimum number of quarters, pennies, and nickels needed to make up 123 cents is 4 quarters, 4 nickels, and 3 pennies.
Three quarters and a dime or two nickels. There are other combinations as well, such as 85 pennies.
In each combination, you can have 0,1,2 or 3 pennies; you can also have 0 or 1 nickels, 0 or 1 dimes and 0 or 1 quarters. That is, 4 ways of picking the number of pennies, 2 ways of picking how many nickels, 2 for dimes and 2 for quarters. In all that makes 4*2*2*2 = 32 combinations. BUT, one of these combinations is where you have 0 pennies, 0 nickels, 0 diems and 0 quarters. Conventionally, a null combination such as this is omitted and so you have 31 valid combinations.
pennies - 100 nickels - 20 dimes - 10 quarters - 4
20
10 quarters 7 dimes 9 pennies and 27 nickels is: $4.64
Four.
There are 29 ways.
2 quarters 3 dimes 8 nickels and 7 pennies equal $1.27
Among other combinations: 3 Quarters, 2 Dimes and 20 Pennies or 1 Quarter, 3 Dimes, 6 Nickels and 15 Pennies
Two quarters Three nickels Three pennies