As 8 feet x 8 feet = 64 square feet it will only take one 8 feet by 8 feet tile to cover 64 square feet.
10
abswer is 6.9218 square feet
1.722 ceramic tiles
It is not clear what is meant by an "18x18 square feet" tile. 18ft * 18 ft = 324 square feet, so that one tile will be more than enough. An 18 inch by 18 inch tile cannot be a 18x18 square feet tile.
Tiles that are two feet on a side cover 4 square feet. 378 of them cover 1512 square feet.
10
abswer is 6.9218 square feet
1.722 ceramic tiles
How many square feet will a ton of salt cover?
It is not clear what is meant by an "18x18 square feet" tile. 18ft * 18 ft = 324 square feet, so that one tile will be more than enough. An 18 inch by 18 inch tile cannot be a 18x18 square feet tile.
Tiles that are two feet on a side cover 4 square feet. 378 of them cover 1512 square feet.
A bundle of Shingles will cover roughly 33 square feet. A square of Shingles (3 Bundles) will cover 100 square feet.
1.8
9 square feet.
240
it will cover 3 cubic feet, or 9 feet, I am not sure how many square feet
Let us look at a tile. It is 12 inches by 12 inches. There are 12 inches in a foot. So each tile is one square foot. That would mean 110 square feet.