Henry is making a recipe for biscuits. a recipe calls for 5/10 kilogram flour and 9/100 kilogram sugar. how much sugar and flour will he have?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2