A carpet layer can install carpet at a rate of \(12\text{ yd}^{2}\) per hour. How long will it take him to do a \(16.5\) ft x \(18\) ft room and a \(9\) ft x \(27\) ft hall?
\(5.00\) hours
\(6.50\) hours
\(1.67\) hours
\(4.00\) hours
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