
Dale B. answered 07/17/19
Experienced Math and Spanish Tutor
Two ways, correctly and not correctly. Just kidding. Question should be "in how many ways can the full order be packaged?"
Start with
pk of. Pk of. Pk of
4. 3. 1
___________________________
3 (7 left) 2 (1 left) 1 (0 left)
3 (7 left) 1 (4 left) 4 (0 left)
3 (7 left) 0 (7 left) 7 (0 left)
2 (11 left) 3 (2 left) 2 (0 left)
2. 2. __
2. 1. __
2. 0. __
1 (15 left) 5 (0 left) __
1. (15 left) 4 (3 left) 3 (0 left)
.
.
.
1 (15 left) 0 (15 left) ______
0 (19 left) 6 (1 left) ________
0 (19left) 5 (4 left) _________
.
.
.
0 (19 left) 0 (19 left) 19 (0 left)
Each line counts as one possible way