Todd has 800 canadian dollars. if 1 u. s. dollar equals 1.0648 canadian dollars, about how many u. s. dollars can todd buy for his canadian dollars?

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?