24
If you buy 18 boxes you will have enough, plus a few extra. 18 boxes will cover just over 434 square feet.
26 square feet.
The area of a hole 4 feet in diameter and 19 feet deep is: 76 square feet. (4 x 19 = 76).
187 sq feet
180 square feet will fit a room 12 x 15.
figure it out yourself
This question is incomplete.
A shelf measuring 2 feet by 3 feet has a surface area of 6 square feet. Each of your boxes is 1 foot by 1 foot (12 inches x 12 inches). You can fit only 6 boxes onto your shelf in a single layer.
If you buy 18 boxes you will have enough, plus a few extra. 18 boxes will cover just over 434 square feet.
About five (4.975) such boxes.
Six square feet.
15 x 14 is 210 square feet. If one box is 45 square feet, you'll need 5 boxes.
The number of boxes required is575/number of square feet covered by the tiles in one box .
26 square feet.
The area of a hole 4 feet in diameter and 19 feet deep is: 76 square feet. (4 x 19 = 76).
It depends on the size of the boxes. If the boxes are one square foot, then you need 1400 of them. This obviously differs with box size.
187 sq feet