单选题John buys a cake at a bakery and a hammer at a hard-ware store. If there are five hardware stores and three bakeries, in how many different combinations of stores can he purchase the cake and the hammer?A 20B 15C 8D 5E 3

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单选题
John buys a cake at a bakery and a hammer at a hard-ware store. If there are five hardware stores and three bakeries, in how many different combinations of stores can he purchase the cake and the hammer?
A

20

B

15

C

8

D

5

E

3

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