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

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

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User Moeen M
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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

answered
User Mutuma
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8.6k points
2 votes

Answer:

B

Explanation:

answered
User Myron
by
8.3k points
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