SOLUTION: How much wrapping paper would you need to cover a rectangle box that us 19 inches by 12 inches by 3 inches if you need 10% more wrapping paper than the surface area if the box? Rou

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Question 1011041: How much wrapping paper would you need to cover a rectangle box that us 19 inches by 12 inches by 3 inches if you need 10% more wrapping paper than the surface area if the box? Round your answer to the nearest square inch.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The surface area of the box is:
+2%2A%28+19%2A12+%29+%2B+2%2A%28+12%2A3+%29+%2B+2%2A%28+9%2A3+%29+
+456+%2B+72+%2B+54+
+582+ in2
Now add 10%
+582+%2B+.1%2A582+=+582+%2B+58.2+
+582+%2B+.1%2A582+=+640.2+
640 in2 of wrapping paper is needed