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During the computer daze special promotion, a customer purchasing a computer and printer is given a choice of six free software packages. there are 8 different software packages from which to select. how many different groups of software packages can be selected?

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  1. 9 June, 20:07
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    This is equal to the number of combinations of 6 from 8 : - 8C6

    - this is the same as 8C2 which is (8*7) / (2*1) = 28

    So 28 different groups can be selected.
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