A rectangular-shaped carpet that measures x feet by y feet is priced at $11. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)	Select the correct option.
A) 90/(xy)
B) 90xy
C) xy/90
D) xy/10
E) 99/(xy)
The area of the carpet in feet is xy.   The area in square yards is xy / 9.   The price per square yard is 11 / (xy/9) = 99/(xy).   The answer is 99/(xy).
<result>E</result>
A rectangular-shaped carpet that measures x feet by y feet is priced at $11. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)