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October 23, 2014

October 23, 2014

Posted by **Josh** on Wednesday, May 2, 2012 at 3:22pm.

a. find tsub27

b. find Ssub27

c. if tsubn = 445, find n

- math -
**Steve**, Wednesday, May 2, 2012 at 4:31pma=13

d=6

T27 = 13+26*6 = 169

S27 = 27/2 (2*13 + 26*6) = 2457

445 = 13 + (n-1)6

n=73

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