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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Tuesday, May 18, 2010 at 10:55pm.

- math -
**wade**, Tuesday, May 18, 2010 at 10:56pm100

- math -
**Reiny**, Wednesday, May 19, 2010 at 12:13amr = k/b^2 , r is red, b is blue

4 = k/400

k = 1600

then r = 1600/b^2

when b = 4

r = 1600/16

= 100

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