A rectangular-shaped carpet remnant that measures \(x\) feet by \(y\) feet is priced at \(\$50.\) What is the cost of

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A rectangular-shaped carpet remnant that measures \(x\) feet by \(y\) feet is priced at \(\$50.\) What is the cost of the carpet, in dollars per square yard? (9 square feet = 1 square yard).

A. \(50xy\)
B. \(450xy\)
C. \(\dfrac{xy}9\)
D. \(\dfrac{xy}{50}\)
E. \(\dfrac{450}{xy}\)

Answer: E

Source: GMAT Prep