Chris has 6 cds that he is going to give away. He let his best friend choose 2 of the 6 cds. How man

Discussion in 'Calculator Requests' started by math_celebrity, Aug 3, 2018.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    Chris has 6 cds that he is going to give away. He let his best friend choose 2 of the 6 cds. How many different groups of 2cds are possible?

    We want 6 choose 2 using combinations. We use combinations because the problem states the word different.

    6 C 2 using our calculator is 15.
     
    math_celebrity, Aug 3, 2018
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