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October 20, 2014

October 20, 2014

Posted by **mark** on Wednesday, March 18, 2009 at 11:31pm.

- algebra please help -
**drwls**, Thursday, March 19, 2009 at 12:10amIf the fraction of "skylight" is x and the fraction of the "macintosh" is 1-x, the fraction of red pigment contained in the mixture will be

0.125 x + 0.20 (1-x) = 0.17

Solve for x.

0.03 = 0.075x

x = 0.4 = skylight fraction

(1-x) = 0.60 = macintosh fraction

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