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January 28, 2015

January 28, 2015

Posted by **mafika** on Monday, April 9, 2012 at 1:46pm.

- maths -
**Steve**, Monday, April 9, 2012 at 2:46pma+4d = 6

a+11d = 41

7d = 35

d = 5

a = -14

-14 + 15(5) = 61

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