How much greater is the combined area in square inches of the front and back of a rectangular sheet of paper measuring 11 inches by 9 inches than that of a rectangular sheet of paper measuring 4.5 inches by 11 inches?  Choose the correct choice from the following:
A) 50%
B) 87%
C) 100%
D) 187%
E) 200%
Let's just look at the dimensions (no calculation needed).   With dimension 11 the same, the other dimension 9 is twice 4.5   Then the area will be double which means 100% greater.   The answer is 100%.
<result>C</result>
How much greater is the combined area in square inches of the front and back of a rectangular sheet of paper measuring 11 inches by 9 inches than that of a rectangular sheet of paper measuring 4.5 inches by 11 inches?