Use a number line to add 5/2 and the additive inverse of 0.4

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Pls yall i really need the answer fr fr

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?