If an article is sold for Rs 450 after allowing a discount of 10%, find the list price of the article.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Iknow the answer but the calculator doesn't seem to give the right one

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?