Respuesta :
volume = 7*7*2 = 49*2=98
 she needs to get 98 cubic feet of sand
					                   volume=length times width times height
in a square length=width
so
length=width 7
height=2
volume=7*7*2=98 cubic feet of sand
					                
					                
					             in a square length=width
so
length=width 7
height=2
volume=7*7*2=98 cubic feet of sand
 
					                  