SOLUTION: The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference?
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Question 1038930: The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference?
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The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80?
What is the common difference?
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Reverse the progression from the last term to the first term,
by making 80 its new first term.
