The answer depends on the units of measure for 35x35. Clearly a room that is 35 feet * 35 feet will be quite different to that measuring 35 inches x 35 yards!
Assuming the question is about acre and square feet, 1 acre = 43560 square feet.
How many square feet will a ton of salt cover?
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.
9 square feet.
240
it will cover 3 cubic feet, or 9 feet, I am not sure how many square feet
190
400 Square Feet.
1,440 square feet or 160 square yards.
200 square feet = 18.58 square meters.