72
20 yards = 720 inches so you get 144 pieces
4
4 inches : 5 pieces or 7 inches : 2 pieces or 8 inches : 2 pieces
25 sq ft * 5 inch = 25/9 sq yards * 5/36 yards = (25/9)*(5/36) cubic yards = 125/216 cubic yards
~29,167 square yards
The volume of the trench is 10 cubic yards. You can calculate this by multiplying the length (20 yards) by the width (2 yards) by the height (5 yards).
2 yards is taller than 5 ft 9 inches. 2 yards is 6 feet.
2 and one quarter yards long
It is: 4*5 = 20 yards
7.5
about 5 yards if your slab is 4" deep
60 inches is equal to 5/3 yards. 70 divided by 5/3 is the same as 70 x 3/5=14x3=42 yards
20 i think