Question

Evaluate each arithmetic series described (find the sum).
15
(13 – 5n)
=
n=1
Helppppp

Answer 1

Answer:

120

Step-by-step explanation:

Answer 2

Answer:

120

Step-by-step explanation:

first figure out parenthesis

replace n for 1 then you get 13-5, and you get 8.

then you just have to multiply 15 x 8.

then you get 120