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October 21, 2014

October 21, 2014

Posted by **dammy** on Friday, November 8, 2013 at 4:44am.

- math -
**Steve**, Friday, November 8, 2013 at 5:01amsince T8 = T4+4d, d=5

and, just for completeness,

a+7d = 3/2 (a+3d)

a+35 = 3/2 (a+15)

2a+70 = 3a+45

a=25

So, the sequence is

25 30 35 40 45 50 55 60 ...

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