You are planning a restaurant. you will be open only for dinner and expect a steady flow of customers to your 20 tables. assuming one party per table and an average check of $50 per party, how many times will you have to "turn" each table to make your revenue goal of $3000 per night? ("turning" a table means seating a new party at it.) a) 1 b) 2 c) 3 d) 4