SOLUTION: A box is made from a rectangular piece of metal with length 39 inches and width 23 inches. Squares with length x are cut out at the corners. The box has no top.
a) Write an ex
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Question 1176148: A box is made from a rectangular piece of metal with length 39 inches and width 23 inches. Squares with length x are cut out at the corners. The box has no top.
a) Write an expression that gives the outside surface area of the box.
b) If the outside surface area of the box is 888 square inches, find x.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The bottom surface will have dimensions 39-2x and 23-2x.
Two opposite side surfaces have dimensions x and 39-2x.
The other two opposite side surfaces have dimensions x and 23-2x.
The outside surface area of the box:
. You should simplify this before finding x for the total area of 888 square inches.
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