Asked by mandy

An arithmetic progression has 8terms.The sum of all 8terms is 180 and the sum of all odd terms is 80.
Calculate
(a)the first term and common difference
(b)the last term

Answers

Answered by mandy
ASAP..
I knw the (a) a=5,d=5
But the (b) how to do?
Answered by Anonymous
How to even do (a)?
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