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anonymous
 one year ago
Gunner wants to buy 12 DVDs but he can only buy 2. How many ways can he buy 2 DVDs?
FOR ME this is a trick question.
Answer is 5?
anonymous
 one year ago
Gunner wants to buy 12 DVDs but he can only buy 2. How many ways can he buy 2 DVDs? FOR ME this is a trick question. Answer is 5?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the answer is the number of ways he can choose 2 out of 12, i.e \[\binom{12}{2}\] or \[_{12}C_2\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it is called "12 choose 2" do you know how to compute it?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm quite new to solving this problem.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0google "combinations" \[\binom{12}{2}=\frac{12\times 11}{2}\]

amistre64
 one year ago
Best ResponseYou've already chosen the best response.0are we assuming 2 different DVDs? are we assuming they are purchased together?
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