Prot is equal to revenue minus cost: P R C. Prot. Donna
Chapter 0, Problem 65(choose chapter or problem)
Prot is equal to revenue minus cost: P R C. Prot. Donna decides to sell fabric cord covers on eBay for $20 a piece. The material for each cord cover costs $9, and it costs her $100 a month to advertise on eBay. Let x be the number of cord covers sold. Write a polynomial representing her monthly prot.
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