You are planning to buy a new couch for your family room. Before you leave for the furniture store, you…

You are planning to buy a new couch for your family room. Before you leave for the furniture store, you measure the available space and conclude that the couch should be between 5′ – 10″ and 6′- 8″ long. At the store you find a couch that you like. The specification sheet on the couch indicates that the couch is 78 inches long. What are the limits on the couch length in inches?

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