How many ways are there to make $1 from Australian coins? Tries

How many ways are there to make $1 from Australian coins?
Tries
Coins
100
50
20
1
1
2
2
3
1
2
4
1
2
5
1
1
6
1
1
7
1
1
8
1
1
9
1
0
10
1
0
11
1
0
12
1
0
13
1
0
14
1
0
15
5
16
4
17
4
18
4
19
3
20
3
21
3
22
3
23
3
24
2
25
2
26
2
27
2
28
2
29
2
30
2
31
1
32
1
33
1
34
1
35
1
36
1
37
1
38
1
39
1
40
41
42
43
44
45
46
47
48
49
50
www.backtofrontmaths.com.au/teachers
10
1
0
3
2
1
0
5
4
3
2
1
0
2
1
0
4
3
2
1
0
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
5
2
2
4
6
2
4
6
8
10
2
4
2
4
6
8
2
4
6
8
10
12
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
18
20
Solution created by Tierney Kennedy