1- a window is made using 2 panes of glass with an air space between them. each pane of glass is 3/16 inch thick, and the separation between panes is 1/2 inch. how thick is the window?
2 - zoey bought two kinds of oatmeal: 4 1/4 cups of old-fashioned oatmeal. how much oatmel did zoey buy?
3 - a fish tank holds 9 1/2 gallons of water. when cleaning the tank ben poured 5 1/3 gallons of the water out. how much water was left in the tank?
4 - two items in a package have a combined weight of 6 1/4 kg. if one item weighs 2 5/8 kg what is the weight of the second item?
5 - three ladders measure 5 3/4 meters, 4 1/2 meters, and 7 1/4 meters in lenght. what is the difference between the longest and shortest lengths?