Answer:
$0.04/lb
Step-by-step explanation:
Cost per lb for the 3 lb package is $7.80/(3 lb), or $2.60/lb)
Cost per lb for the 1/2-lb package is $1.28 / [(1/2) lb], or $2.56.
The difference in cost per pound is $2.60 - $2.56, or $0.04/lb
Correct answer is B. (second Choice)
yes it is