SOLUTION: Kate wants to choose 3 out 13 different items as the Christmas presents. Given that 4 items are from shop B, and 3 items are from shop C, find the number of combinations in each o

Question 1173927: Kate wants to choose 3 out 13 different items as the Christmas presents. Given that 4 items are from
shop B, and 3 items are from shop C, find the number of combinations in each of the following cases,
Choosing 3 items which are not from shop A
Found 2 solutions by ewatrrr, ikleyn:
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi,
4 items are from shop B, and 3 items are from shop C
Choosing 3 items which are not from shop A
Assuming there are only the 3 stores: 7C3= 35 the number of combinations
Wish You the Best in your Studies.

Answer by ikleyn(52814)   (Show Source): You can put this solution on YOUR website!
.

        Formulation of this problem is DEFECTIVE.

How many other shops were there ?

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