In each of the following problems, choose the price per unit per oz. in blanks a. and b, and then select the best buy.
a. meat, 1 lb. for $1.92 would =
b. meat 2 lb. for $3.52 would =
c. the best buy would be
the answer options for a. are: $0.12, $0.83 and $1.92
the answer options for b. are: $0.11, $0.91 and $0.57

explain.