needhelppp needhelppp

22-02-2017
Mathematics

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please answer and tell me how u did it step by step

please answer and tell me how u did it step by step class=

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cassidythomason cassidythomason

06-03-2017

I don't know if this is right but i think the answer is 11 because as the number of people in the group goes up the price keeps decreasing by 3 so I made a table to see the difference...
1=42
8=39
9=36
10=33
11=30

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