74.2k views
0 votes
An arithmetic series contains 20 numbers. The first number is 102. The last number is 159. Which expression represents the sum of the series?

User Moeen M
by
5.7k points

2 Answers

2 votes
You would be skipping 2.85 numbers each time.
I think you would take 159 subtract 102 from it and get 57.
Then you would divide that by 20 to get your answer of 2.85

User Mutuma
by
6.3k points
2 votes

Answer:

B

Explanation:

User Myron
by
5.9k points