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livia68
brand 1 is the better deal. the unit price is $2.14 per lb.

Brand 1

[tex]\\ \sf\longmapsto \dfrac{12.19}{5.7}[/tex]

[tex]\\ \sf\longmapsto 2.14/lb[/tex]

Brand 2

2.15/lb+2=2.17/lb

Brand 2 is a better deal and 2.17lb is the unit price