Afifth grade class painted pieces of cardboard for an art project. each piece of cardboard had an area of 6.25 square inches. the students painted 200 pieces of cardboard each day.
a. what is the total area of cardboard that they painted by the end of the 3rd day?
6.25x200=1250 1250 x3= 3750
b. at the end of the 3rd day students glued together all the pieces of the painted cardboard to form a large square mural and they cut the mural into 40 strips of equal sizes so they could move the mural. what is the area of each smaller strip of cardboard? express the answer in decimal form.