if the wall is 8 2/5 high and 18 1/3 long how do I calculate how much square foot is painted blue if 1/2 is painted?
total area = (8 2/5)(18 1/3) ft^2
= (42/5)(55/3)
= 154 ft^2
now take 1/2 of that
= (42/5)(55/3)
= 154 ft^2
now take 1/2 of that