SOLUTION: The first term of an arithmetic progression is 8 and the last term is 34. The sum of the
first six terms is 58. Find the number of terms in this progression.
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Question 1186959: The first term of an arithmetic progression is 8 and the last term is 34. The sum of the
first six terms is 58. Find the number of terms in this progression.
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
The sum of the first six terms is .
Sum of the first six terms:
plug it in last term formula and solve for :
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