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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?

Sagot :

Answer:

2 packages of nine

6 packages of 3

One package of 18

3 packages of 3

Step-by-step explanation:

Answer:

3 not including the singles or 10 including the singles

Step-by-step explanation:

9 + 9

3 + 3 + 3 + 3 + 3 + 3

3 + 3 + 3 + 9

18 singles

3 singles + 5 packs of 3

6 singles + 4 packs of 3

9 singles + 1 pack of 9

9 singles + 3 packs of 3

3 singles + 2 packs of 3 + 1 pack of 9

6 singles + 1 pack of 3 + 1 pack of 9