rtaha2412 wrote:
John has 12 clients and he wants to use color coding to identify each client. If either a single color or a pair of two different colors can represent a client code, what is the minimum number of colors needed for the coding? Assume that changing the color order within a pair does not produce different codes.
A. 24
B.12
C. 7
D. 6
E. 5
Total of 12 is really small. Single colors take up at least five of the identifying codes.
Rather than trying to figure out whether or not I had the right formula,
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