If the sides of a square are multiplied by sqrt(20), the area of the original square is how many times as large as the area of the resultant square? Choose the most appropriate option
A) 2%  B) 5%  C) 20%  D) 50%  E) 150%
Let x be the original length of one side.   Then the original area is x^2.   The new square has sides of length sqrt(20)*x, so the area is 20x^2.   The area of the original square is 1/20 = 5% times the area of the new square.   The answer is 5%.
<result>B</result>
If the sides of a square are multiplied by sqrt(20), the area of the original square is how many times as large as the area of the resultant square?