Respuesta :
9 inches = 9/12 ft = 0.75ft
6 inches = 6/12 ft = 0.5 ft
V = 7 x 0.75 x 0.5
V = 2.625 ft^3
He will only need to buy one bag to fill the box
6 inches = 6/12 ft = 0.5 ft
V = 7 x 0.75 x 0.5
V = 2.625 ft^3
He will only need to buy one bag to fill the box