Suppose that Greg Tobin, manager of a giant supermarket chain, has studied the supply and demand for watermelons. He has noticed that the demand increases as the price decreases He has determined that the quantity (in thousands) demanded weekly, q, and the price (in dollars) per watermelon, p, are related by the linear function p D(q) 9-0.75q Demand function (a) Find the quantity of watermelons demanded at a price of $3.30 per watermelon (b) If the supply equation S(q)= 0.4q Find the quantity of watermelons supplied at a price of $3.30 per watermelon (c) Find the equilibrium quantity and price for the watermelons

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