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when john and marie assembled the little people they found that the pixies and fairies were in a ratio of 3 to 13. If there were 6816 in all how many were pixies

 Sep 29, 2017
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3 / [3+13]  x   6,816 =1,278 are pixies.

 

13 / [3+13]  x  6,816 =5,538 are fairies.

 Sep 29, 2017

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