Question 698457
There are 25 ways to do this


1 five + 4 twenties  =  5 bills total
1 five + 2 tens + 3 twenties  =  6 bills total
1 five + 4 tens + 2 twenties  =  7 bills total
3 fives + 1 ten + 3 twenties  =  7 bills total
1 five + 6 tens + 1 twenty  =  8 bills total
3 fives + 3 tens + 2 twenties  =  8 bills total
5 fives + 3 twenties  =  8 bills total
1 five + 8 tens  =  9 bills total
3 fives + 5 tens + 1 twenty  =  9 bills total
5 fives + 2 tens + 2 twenties  =  9 bills total
3 fives + 7 tens  =  10 bills total
5 fives + 4 tens + 1 twenty  =  10 bills total
7 fives + 1 ten + 2 twenties  =  10 bills total
5 fives + 6 tens  =  11 bills total
7 fives + 3 tens + 1 twenty  =  11 bills total
9 fives + 2 twenties  =  11 bills total
7 fives + 5 tens  =  12 bills total
9 fives + 2 tens + 1 twenty  =  12 bills total
9 fives + 4 tens  =  13 bills total
11 fives + 1 ten + 1 twenty  =  13 bills total
11 fives + 3 tens  =  14 bills total
13 fives + 1 twenty  =  14 bills total
13 fives + 2 tens  =  15 bills total
15 fives + 1 ten  =  16 bills total
17 fives  =  17 bills total


Again, there are 25 ways. Each case has the bills' value adding up to $85.