Question

Asked Jan 7, 2020

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A box with a square base and no top is to be made from a square piece of cardboard by cutting 4-in. squares from each corner and folding up the sides, as shown in the figure. The box is to hold 400 in3. What is the length of each side of the square piece of cardboard?

Step 1

Let ‘x’ be the original length of the square cardboard.

Step 2

Since each corner cut by 4 inches, so the length will be (x –...

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