1988 AJHSME Problems/Problem 19
Contents
[hide]Problem
What is the number in the arithmetic sequence: ?
Solution 1
To get from the term of an arithmetic sequence to the term, we must add the common difference times. The first term is and the common difference is , so the term is
Solution 2
Alternatively you could create an equation for the arithmetic sequence:
, or
See Also
1988 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 18 |
Followed by Problem 20 | |
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