Two congruent squares, A B C D and P Q R S, have side length 15. They overlap to form the 15 by 25 rectangle A Q R D shown. What percent of the area of rectangle A Q R D is shaded?
Answer Choices
A. 15
B. 18
C. 20
D. 24
E. 25
Two congruent squares, A B C D and P Q R S, have side length 15. They overlap to form the 15 by 25 rectangle A Q R D shown. What percent of the area of rectangle A Q R D is shaded?
Answer Choices
A. 15
B. 18
C. 20
D. 24
E. 25