Question 5
A rectangle was altered by increasing its length by 10 percent and decreasing its width by p percent. If these alterations decreased the area of the rectangle by 12 percent, what is the value of p?
A. 12
B. 15
C. 20
D. 22
E. None of the above
**Editorial note for this self-study exercise:** Enter p as a number, without a percent sign or option letter.
A. 12
B. 15
C. 20
D. 22
E. None of the above
**Editorial note for this self-study exercise:** Enter p as a number, without a percent sign or option letter.