Tuesday

October 21, 2014

October 21, 2014

Posted by **chase** on Thursday, November 6, 2008 at 9:00pm.

- math -
**drwls**, Thursday, November 6, 2008 at 9:27pmMake a list of all the three-color combinations you can think of. There should be 6!/3! = 72/6 = 16.

First list the combinations with red

RBY

RBG

RBO

RBP

RYG

RYO

RYP

RGO

RGP

ROP

Now list the combinations with no red.

BYG

BYO

BYP

BGO

BGP

BOP

Can you think of any others? Rearrangements of the same three colors do not count.

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