16 yards
A 52' x 48' by 4" pad requires 30.8 cubic yards. If you go up to 6" thick you would need 46.2 cubic yards.
16
3600
80 yards=80 yards
5 yards
0.33 yards.
1760 yards
An acre is equal to 4,840 square yards.
36.5 miles are equal to 64,240 yards.
36 inches equal 3 yards.
3 yards 3 yards