Assume a dance floor is 20 feet long and 30 feet wide. How many people will fit on this dance floor if you assume each person will dance in a space that is 2 feet wide and 2 feet long?
the floor is 20x30 = 600 sq ft.
each dancer needs 2x2 = 4 sq. ft.
600/4 = 150 dancers
+123 
