Final answer:
Option b) Pack of 24 Pencils - $2.35 offers the best deal based on unit price.
Step-by-step explanation:
To determine the best deal based on unit price, we need to calculate the price per pencil for each option.
a) Pack of 12 Pencils - $1.29
Price per pencil = $1.29/12 = $0.1083 per pencil
b) Pack of 24 Pencils - $2.35
Price per pencil = $2.35/24 = $0.0979 per pencil
c) Pack of 50 Pencils - $5.45
Price per pencil = $5.45/50 = $0.109 per pencil
Therefore, option b) - Pack of 24 Pencils for $2.35, offers the best deal based on unit price as it has the lowest price per pencil at $0.0979.