2013 AMC 12A Problems/Problem 14
Revision as of 22:47, 6 February 2013 by Indianninja707 (talk | contribs)
Since the sequence is arithmetic,
+ = , where is the common difference.
Therefore,
= - = , and
= (1/4)() =
Now that we found , we just add it to the first term to find :
+ =
= (162) = (162) = = , which is