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If the 12th term is 144 and the 14th term is 377, what's the 11th term?

If the 12th term is 144 and the 14th term is 377, what's the 11th term?
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1 vote
If the 12th term is 144 and the 14th term is 377, what's the 11th term?

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User ChuckJHardy
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1 Answer

7 votes
377 - 144 = 233 and 233 / 2 = 116.5 is the common difference so the 11th term is 260.5
answered
User Wuppi
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