Final answer:
To determine how much you'll save by buying 2 pairs of socks on sale, calculate the difference between the original price and the sale price of a pair of socks, and then multiply it by 2.
Step-by-step explanation:
To determine how much you'll save by buying 2 pairs of socks on sale, you can use the formula:
Savings = (Original Price - Sale Price) x 2
This formula calculates the difference between the original price and the sale price of a pair of socks, and then multiplies it by 2 to account for buying 2 pairs. This will give you the total savings you'll get by buying 2 pairs on sale.