mistake, error - part of a statement that is not correct; the book was full of errors. malaprop, malapropism - the unintentional misuse of a word by confusion with one that sounds similar. slip of the tongue - an accidental and usually trivial mistake in speaking.
1 The minimum cost of concrete is approximately $70 per cubic yard. 2  The maximum cost of concrete is approximately $80 per cubic yard.  The square footage covered by a cubic yard of concrete varies based on the depth of the feature to be poured.
Concrete is sold by the cubic yard. One yard of concrete will pour a slab approx. 80 sq ft at 4 thick (which is typical for a patio slab).Typical concrete used may start at around $75- $85 per yard and most concrete companies will charge a delivery fee with sometimes a 2 or three yard minimum.oncrete is sold by the cubic yard. One yard of concrete will pour a slab approx. 80 sq ft at 4 thick (which is typical for a patio slab).