You are planning to buy a new couch for your family room you measure the available space and conclude that the couch should be between 5" and 6' _ 8" long. at the store you find a couch is 78 inches long .what are the limits on the couch length in inches?

The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]