SOLUTION: An arithmetic series has 24 terms. The sum of the 2nd and 23rd term is 45. What is the sum of all the terms? (If you pair up the first and last terms, second term and second last t

Algebra ->  Sequences-and-series -> SOLUTION: An arithmetic series has 24 terms. The sum of the 2nd and 23rd term is 45. What is the sum of all the terms? (If you pair up the first and last terms, second term and second last t      Log On


   



Question 1083540: An arithmetic series has 24 terms. The sum of the 2nd and 23rd term is 45. What is the sum of all the terms? (If you pair up the first and last terms, second term and second last term, the sums are equal)
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
If a%5Bn%5Dr term number n ,
the sum is