Rosa has decided to sell pet rocks at an art fair for $5 each. she has paid $50 to rent a table at the fair and it costs her $2 to package each rock with a set of instructions. for what numbers of sales will rosa amke a profit?

17 pet rocksAssumption -  Rosa dug the pet rocks in her backyard thus zero cost for inputs.Given:  Selling price/rock -  $5Rent of table -          $5Package cost/rock - $2X = the minimum number of pet rocks to be sold to gain profit5X=50+2X5X-2X=503X=50X=50/3

Hey it’s horizontal ruler

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