72
16x16
16x16 square feet = 256 square feet, so two tiles will suffice.
31 Get 35 for breakage.
You would need 96 stones.
One!
√(16x16) = √(162), and since the square and square root cancel, the square root of 16x16 is 16.
56 16x16" tiles are needed.
72
There are 0.3125 16x16 squares in 80 sq ft.
16x16 ft = 256 square feet = 36,864 square inches.
297 16x16-inch tiles.
16x16 or 32x32
1,10,25,250
16x16
Assuming you mean 16x16 inches tiles... 441 tiles would cover the area exactly
16x16= 256 ounces.