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Brrunno [24]
3 years ago
7

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

Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0
3 : 3 times 6 is 18, 2 times 9 is 18 and 3 times 3 is 9 plus 9 is 18
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