If the side length of Square B is five times that of Square A, the area of Square B is how many times the area of Square A?
Pick.
A) 5
B) 15
C) 25
D) 35
E) 45
Let x be the side length of Square A.   Then the area of Square A is x^2.   The area of Square B is (5x)^2=25x^2.   The answer is 25.
<result>C</result>
If the side length of Square B is five times that of Square A, the area of Square B is how many times the area of Square A?