A rectangular-shaped carpet that measures x feet by y feet is priced at $18. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)
Select the correct option
A) 180xy
B) 162/(xy)
C) 20xy
D) 20xy/9
E) xy/180
The area of the carpet in feet is xy.   The area in square yards is xy / 9.   The price per square yard is 18 / (xy/9) = 162/(xy).   The answer is 162/(xy).
<result>B</result>
A rectangular-shaped carpet that measures x feet by y feet is priced at $18. What is the cost of the carpet, in dollars per square yard? (1 square yard = 9 square feet)