Nicole purchased 6 pounds of cheese for $6.90 from the deli. If the amount of cheese,
in pounds, is changed by a factor of , which
expression can be used to determine the cost?
A 1/3(6)
B 3(6.90)
C 3(6)
C 1/3(6.90)

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