I don't know where to start.
In how many different ways can you make exactly $0.75 using only nickels, dimes, and quarters, if you must have at least one of each coin?
+37146 1 nickel + 1 dime + 1 quarter = 40 cents
how many ways can you make 35 cents with n d q
1 q 2n
1 q 1 d
2 d 3 n
3 d 1 n
5 n 1 d
7 n
I think that is it..... 6 ways
