Find the dimensions of a rectangle with an area of 256 square feet that has the minimum perimeter. . . . The dimensions of this rectangle are ft. (Simplify your answer. Use a comma to separate answers as needed.) 4.6.15A deli sells 320 sandwiches per day at a price of $4 each. (A) A market survey shows that for every $0.10 reduction in the price, 40 more sandwiches will be sold. How much should the deli charge in order to maximize rev. - - 4.6.25-BE The deli should charge $. for a sandwich to maximize revenue. (Round to the nearest cent as needed.) (B) A different market survey shows that for every $0.20 reduction in the original $4 price, 5 more sandwiches will be sold. Now how much should the deli charge in order to maximize revenue? Now the deli should charge $ for a sandwich to maximize revenue. (Round to the nearest cent as needed.)