



 
Hi Ron, A yard in this instance is short for a cubic yard. A cubic yard is 3 feet by 3 feet by 3 feet so its volume is $3 \times 3 \times 3 = 27$ cubic feet. 13 bags of 2 cubic feet each is $2 \times 13 = 27$ cubic feet so that's quite close to a yard. Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 