Question 307891
Let T be tens, F fives ,O ones.
0 T, 0 F, 17 O=17
0 T, 1 F, 12 O=17
0 T, 2 F, 7 O=17
0 T, 3 F, 2 O=17
1 T, 0 F, 7 O=17
1 T, 1 F, 2 O=17
6 possible combinations.