Rachel and Pablo walk around a track. Rachel walks each lap in 6 minutes. Pablo walks each lap in 10minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.

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