Ononot — An arithmetic sequence has a1 = 5 and an = 55. If the sum Sn

Guest Session: 1 Question Remaining. Create Account to save progress.

Arithmetic Sequencesmedium

0:00.0

An arithmetic sequence has $a_1 = 5$ and $a_n = 55$ . If the sum $S_n = 360$ , how many terms $n$ are in the sequence?