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

User Tianxiang
by
8.5k points

2 Answers

3 votes
2 packages of nine
6 packages of 3
One package of nine and 3 packages of 3
User Mark Allen
by
8.3k points
7 votes
6 packages of 3
2 packages of 9
1 package of 9 and 3 packages of 3
User Lotta
by
7.8k points
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User Pass
asked Jun 5, 2017 15.0k views
cookies are sold singly or in packages of 3 or 9. With this packaging, how many ways can you buy 18 cookies?
Pass asked Jun 5, 2017
by Pass
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