Final answer:
The everyday discount on patterns when they are not on sale for $0.99 or $1.99 can be calculated using the formula Discount = Original Price - Sale Price.
Step-by-step explanation:
The everyday discount on patterns when they are not on sale for $0.99 or $1.99 can be calculated using the formula:
Discount = Original Price - Sale Price
For example, if the original price of a pattern is $5.99 and it is on sale for $0.99, then the discount would be:
Discount = $5.99 - $0.99 = $5.00
This means that the everyday discount on the pattern when it is not on sale is $5.00.