The length is 78 inches, and the width is 30 inches.
Work Step by Step
The sink is 6.5 squares long and 2.5 squares wide. We use this information, along with the given conversion, to solve for the actual length and width. The actual length is $6.5sq\times12in/sq=78 in$ The actual width is $2.5sq\times12in/sq=30in$