Show work and give answers in complete sentences. 26. A case of widgets contains 48 widgets, each widget weighs 1 78 oz. How much does a case of widgets weigh? 27. If 14-gauge Romex cable sells for $0.19 per foot, what is the cost of 1210 ft of this cable? 28. A welder finds that .21 cu ft of acetylene gas are needed to make one bracket. How much gas is needed to make 27 brackets? 29. One ft of I-beam weighs 25.4 lbs, how long is a beam that weighs 635 lbs? 6.50"1 30. What is the outside diameter d of the tire shown? 14" d 6.50