$21.50 for 4 pounds of lunch meat or $15.10 for 3 pounds of lunch meat

Step-by-step explanation:

Two options are there for lunch meat.

$21.50 for 4 pounds and $15.10 for 3 pounds.

We will calculate the unit rate to find which one is better deal.

∵ price of 4 pounds of lunch meat = $21.50

∴ Price of 1 pound of lunch meat =

                                                       = $5.375 ≈ $5.38/pound

∵ cost of 4 pound of lunch meat = $15.10

∴ cost of 1 pound of lunch meat =

                                                     = $5.03/pound

Therefore, second option gives better deal, of $5.03 per pounds of lunch meat.