161k views
2 votes
Cookies are sold singly or in packages of 3 or 9. With this​ packaging, how many ways can you buy 18 ​cookies?

User MAHDTech
by
7.3k points

2 Answers

4 votes
six ways can be made 
User Kayson
by
7.3k points
2 votes
6 packs of 3
2 packs of 9
3 packs of 3, 1 pack of 9

answer: 3 ways
User BCA
by
6.7k points
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