There is no equivalence.
A yard is a measure of length or distance in 1-dimensional space while what is given in the question is a measure of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid without some addition information.
How many square yards in a 20x18 feet 3 inches thick
four
50x100x4 = 20,000 cubic inches36 inches in a yard20,000/36 = 555 5/9 cubic yards.
It depends on what "5 thick" is: 5 inches thick, 5 feet thick, 5 yards thick, 5 miles thick etc.
1.62
10 yards
How many square yards in a 20x18 feet 3 inches thick
6.67 Cubic Yards
39.1116 cubic yards
4
four
You'll need a minimum of 1.85 cubic yards for that size.
50x100x4 = 20,000 cubic inches36 inches in a yard20,000/36 = 555 5/9 cubic yards.
22.2222 cubic yards (the 2s keep on going).
151/9 cubic yards for every 12 inches thick
It should be a little over 19 yards.
Okay first dont go 3 inches thick ... it will crack it's to thin 3.5 " to 4" thick is the min. and it'll take 2.777 yards so you'll have to get 3 yards