The sale price of every item in a store is 85% of its usual price. The usual price of a backpack is $30, what is its sale price? The usual price of a sweatshirt is $18, what is its sale price? The usual price of a soccer ball is $24.80, what is its sale price?

Backpack: $5.50

Sweatshirt: $3.70

Soccer Ball: $3.72

Step-by-step explanation:

To find sale prices, you multiply the original price by the sale percentage. Once you have that answer, you subtract it from the original price.

For this problem, you have to multiply every number by .85 which is the decimal for of 85%.

.85*30=25.50

30-25.50=$5.50

.85*18=15.30

18-15.30=$3.70

.85*24.80=21.08

24.80-21.08=$3.72

The sale price of the backpack is $4.50. The sale price to a sweatshirt is $2.70  The sale price to the soccer ball is $3.72

Step-by-step explanation:

Discount = Original Price x Discount %/100

Discount = 18 × 85/100

Discount = 18 x 0.85

You save = $15.30

 Final Price = Original Price - Discount

Final Price = 18 - 15.3

Final Price = $2.70

Discount = Original Price x Discount %/100

Discount = 30 × 85/100

Discount = 30 x 0.85

You save = $25.50

Final Price = Original Price - Discount

Final Price = 30 - 25.5

Final Price = $4.50

Discount = Original Price x Discount %/100

Discount = 24.8 × 85/100

Discount = 24.8 x 0.85

You save = $21.08

Final Price = Original Price - Discount

Final Price = 24.8 - 21.08

Final Price = $3.72