SOLUTION: Find the sum of the series 101+99+97+..............+47

Question 768594: Find the sum of the series 101+99+97+..............+47
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
101+99+97+..............+47
=
100+98+96+..............+46 + 55
= 2(23+24+....50) +55
= 2( 50(51)/2 - 23(24)/2) +55
= 50(51)-23(24) +55
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