Posted by **Brad** on Tuesday, March 31, 2009 at 7:21pm.

03p-0.25r-03q=0

0.8p-0.6r-0.05q=0

0.9p-0.15r-0.65q=0

I don't know if this help but i think p+q=1.

- MATH:Solving with 3 variables -
**Reiny**, Tuesday, March 31, 2009 at 8:11pm
should there be decimal places in the first and third terms of

03p-0.25r-03q=0 ?

anyway, since all 3 constants are equal to zero, the solution would be (0,0,0)

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