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September 17, 2014

September 17, 2014

Posted by **deborah** on Friday, July 22, 2011 at 8:13pm.

- math -
**Reiny**, Friday, July 22, 2011 at 8:24pmar^2 = 8

ar^5 = 125

divide the 2nd by the 1st ....

r^3 = 128/8

r = 5/2

back into the first

a(25/4) = 8

etc.

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