$3.19 for 16 pounds . The rate can be calculated below
[tex]\text{rate = }\frac{3.19}{16}=\text{ \$}0.199375\text{ per pound}[/tex]$2.29 for 12 pounds . The rate can be calculated below
[tex]\text{rate}=\frac{2.29}{12}=\text{ \$}0.19083333333\text{ per pound}[/tex]The better deal is $2.29 for 12 pounds.