SOLUTION: An open box with a volume of 144 cm ^ 3 can be made by cutting a square of the same size from each corner of a square piece of 14 cm on a side and folding up the edges of the tin.

Question 1176832: An open box with a volume of 144 cm ^ 3 can be made by cutting a square of the same size from each corner of a square piece of 14 cm on a side and folding up the edges of the tin. What is the length of a side of the square that is cut from each corner?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Cut x at each corner and then after folding up the flaps,

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--------comparing left and right members x=4 and 7-x should be 3.

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