so for the first offer you will be paying $0.96 per pound
<em><u>312-ounce bag of barley for $28.08</u></em>
1 pound = 16 ounces
312 ounces = 19.5 pounds
28.08 : 19.5 = 1.44
for the second offer you will be paying $1.44 per pound of barley. 7-pound bag of barley for $6.72 is a better buy because you will be less for each pound.