please help

Asked by plantae | 20th Feb, 2009, 06:27: PM

Expert Answer:

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

Answered by  | 20th Feb, 2009, 07:19: PM

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