105 ft * 84 ft * 3 inches = 105/3 yards * 84/3 yards * 3/36 yards
= 35 * 28 / 12 cubic yards = 245 cubic yards.
if that is 3 ft deep it would require 96 yards... IF it is 3 inches deep it would require 24 cubic yards
That's 13 cubic yards of mulch for every 2 inches deep.
.21 yards of sand will fill an area 115 inches by 67 inches to a depth of 2.5 inches.
You will need about 463 cubic yards (around 594 tons) of gravel for this area.
2.37 cubic yards of stone for every 3 inches deep it needs to be
if that is 3 ft deep it would require 96 yards... IF it is 3 inches deep it would require 24 cubic yards
62/3 cubic yards for every 1-foot deep. 5 cubic yards for every 9-inches deep. 31/3 cubic yards for every 6-inches deep. 5/9 cubic yard for every 1-inch deep.
That's 13 cubic yards of mulch for every 2 inches deep.
15.833... [cubic] yards.
.21 yards of sand will fill an area 115 inches by 67 inches to a depth of 2.5 inches.
You will need about 463 cubic yards (around 594 tons) of gravel for this area.
2.37 cubic yards of stone for every 3 inches deep it needs to be
tweleve
1 cubic yard will cover 15 square yards at 3 inches deep.
You would need about 13 cu yards or about 15 tons.
Usually a cubic yard will cover 15 square yards at 3 inches deep so I would reckon on 22 cubic yards. Hold on that I've got that wrong it's 2 cubic yards .Sorry.
three