SOLUTION: the sum of the fist 10 term of an arithmetic sequence is 530. what is the first term is 80? what is the common difference?

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Question 1118803: the sum of the fist 10 term of an arithmetic sequence is 530. what is the first term is 80? what is the common difference?

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
Read and re-read attentively your post, especially this its part

"what is the first term is 80?"


Then fix it.

Then re-post.