Odd- and Even-numbered Terms

Algebra Level 3

Let \(a_1, a_2, a_3, \ldots a_{2n}, a_{2n+1}\) be an arithmetic progression. If the sum of all the odd-numbered terms is \(130\) and the sum of all the even-numbered terms is \(117,\) what is \(2n+1?\)

×

Problem Loading...

Note Loading...

Set Loading...