Question
Fri February 20, 2009 By: Sonakshi Jha

please help

Expert Reply
Fri February 20, 2009

for 9th person we have  (12*8 + x ) / 9  + 8 = x  ===>  96 + x + 72  = 9x

solving we get x = 21  so total money = 12*8 + 21 = 117

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