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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?

User Samuels
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1 Answer

1 vote
You can buy 18 single cookies,
6 packages that contain 3 cookies, or
2 packages that contain 9 cookies.

User Nikhil Vaghela
by
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