Question

A pet shop had 8 identical fish tanks in the shape of rectangular prisms. The width and height of each tank was (x - 7) inches and the length was 8 inches more than its width. The expression below shows the maximum amount of water which all the tanks together can hold. 8(x + 1)(x - 7)2 What does the factor 8(x + 1) represent? The total height of all the tanks The total length of all the tanks The total volume of all the tanks The total base area of all the tanks