A: x + 50/x
B: x + 100/x
I suspect the question has been mis-worded
An Internet company chooses to advertise with banners on websites visited by a target customer group. The web advertiser offers two plans with the same final cost. The first plan offers 3,000 banner ads for x dollars each plus set-up fee of $50. The second plan offers 2,000 banners ads for x dollars each plus a set-up fee of $100. What is the cost per banner for each of these plans?
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