SOLUTION: Given 50+42+34+26+18+ ... find n such that Sn=182

SOLUTION: Given 50+42+34+26+18+ ... find n such that Sn=182

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Question 827009: Given 50+42+34+26+18+ ... find n such that Sn=182
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
and

so

which has only one suitable solution, (why?)

checking...
50+42+34+26+18+10+2=182
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