SOLUTION: the art show is sponsoring four art shows.they hope the average attendance for the four shows will be between 100 and 120,inclusive.the attendance for the first three shows was 100

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Question 526383: the art show is sponsoring four art shows.they hope the average attendance for the four shows will be between 100 and 120,inclusive.the attendance for the first three shows was 100,105,and 91. what possible attendance numbers for the fourth show will allow them to reach their goal? wright and solve an inequality for this solution . how do i even begin to answer this??? whats the answer?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
the art show is sponsoring four art shows.they hope the average attendance for the four shows will be between 100 and 120,inclusive.
the attendance for the first three shows was 100,105,and 91.
what possible attendance numbers for the fourth show will allow them to reach their goal? wright and solve an inequality for this solution
:
Let x = attendance in the 4th show to reach the average they want
:
%28100%2B105%2B91%2Bx%29%2F4 > 100
%28296%2Bx%29%2F4 > 100
multiply both sides by 4, results
296 + x > 400
x > 400 - 296
x > 104 to achieve the desired attendance