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 19 inches than that of a rectangular sheet of paper measuring 9.5 inches by 11 inches? Choose the correct choice from the following choices:
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 19 is twice 9.5   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 19 inches than that of a rectangular sheet of paper measuring 9.5 inches by 11 inches?