SOLUTION: The sum of an infinite geometric series is 5/2 and the first term is 3. Find the common ratio.

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Question 731582: The sum of an infinite geometric series is 5/2 and the first term is 3. Find the common ratio.
Answer by stanbon(75887) About Me  (Show Source):
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The sum of an infinite geometric series is 5/2 and the first term is 3. Find the common ratio.
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S = a/(1-r)
(5/2) = 3/(1-r)
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1-r = 3/(5/2) = 6/5
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r = 1/5
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Cheers,
Stan H.
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