SOLUTION: What are the three arithmetic means between 3 and 9

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Question 1061597: What are the three arithmetic means between 3 and 9
Answer by stanbon(75887) About Me  (Show Source):
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What are the three arithmetic means between 3 and 9
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a(1) = 3
a(5) = 9
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a(5) = a(1) + 4d
9 = 3 + 4d
4d = 6
d = 3/2
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Ans:: 3, 3+(3/2)= 9/2, (9/2)+(3/2)= 12/2, (12/2)+(3/2)= 15/2, (15/2)+(3/2)= 9
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Cheers,
Stan H.
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