SOLUTION: The 4th term of an AP is 27 and the sum of the first and fourth term is 42, what is the third term?
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Question 1083646: The 4th term of an AP is 27 and the sum of the first and fourth term is 42, what is the third term?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
find common difference using formula below:
so, terms are:
-> your answer
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