How many square feet is 1 cubic yard

How many 80 lb concrete bags are in a yard? A bag 80 # of cement Cement -misturated, sand and gravel (concrete) is of 0.6 pacébico per bag. There are 27 cubic feet in a cubic yard. So 27 / 0.6 = 45 80 # bags. How many cement bags do I need for 1 yard? 5 Bags How many yards are in a 60-pound bag of concrete? 17 How many concrete 20kg bags do I ... ................
................