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November 23, 2014

November 23, 2014

Posted by **john** on Tuesday, April 23, 2013 at 12:01pm.

- maths -
**Steve**, Tuesday, April 23, 2013 at 2:44pma=4

Sn = n/2 (8+(n-1)d) = 996

An = 4+(n-1)d = 79

n = 24

d = 75/23

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