A3-pound package of ground beef is $7.80. a 1/2-pound package is $1.28. what is the difference in the cost per pound between the larger and smaller packages of beef?

have an explanation.

$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

answer: there are 453.592 grams in a pound.