SOLUTION: The 16th term of an ap is 93, given that its common difference is 6. find the first term and 28th term

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Question 1171185: The 16th term of an ap is 93, given that its common difference is 6. find the first term and 28th term
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
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Based on given data, the first term of the AP is  93 - (16-1)*6 = 3.


Then the 28th term is  a%5B28%5D = a%5B1%5D+%2B+%28n-1%29%2Ad = 3 + 27*6 = 165.


ANSWER.   a%5B1%5D = 3;   a%5B28%5D = 165.

Solved.

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    - The proofs of the formulas for arithmetic progressions
    - Problems on arithmetic progressions
    - Word problems on arithmetic progressions
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