Ms. Sanger blended \(8\cfrac{3}{4}\) gallons of iced tea with some lemonade for a picnic. If there were \(13\cfrac{2}{5}\) gallons of the beverage, how many gallons of lemonade did she use?
A carpenter has \(10\cfrac{1}{2}\) feet of wooden plank. He cuts off \(4\cfrac{1}{4}\) feet to replace the slat of a deck and \(3\cfrac{2}{3}\) feet to repair a bannister. He uses the rest of the plank to fix a stair. How many feet of wood does the carpenter use to fix the stair?
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