



 
Hi Le, Here is the picture I see. A 8 inch square sheet of tin (brown) has equal sized squares (yellow) cut our from each corner. I let these squares be x inches by x inches. (How long is s in terms of x?) The sides are folded up along the black lines to form a box. What are the dimensions of the box? What is the volume of the box? Use the calculus you know to maximize the volume. If you need further assistance write back,  


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