Answer:
Sale price of a sweat shirt is $15.30 and a soccer ball is $21.08.
Step-by-step explanation:
A). Usual price of a sweat shirt is = $18
Sale price of the sweat-shirt is 85% of the usual price.
Therefore, Sale price = 85% of $18
= ![\frac{85}{100}\times 18](https://tex.z-dn.net/?f=%5Cfrac%7B85%7D%7B100%7D%5Ctimes%2018)
= $15.30
B). Usual price of a soccer ball is = $24.80
Sale price of the soccer ball is 85% of its usual price.
Therefore, Sale price = 85% of $24.80
= ![\frac{85}{100}\times 24.80](https://tex.z-dn.net/?f=%5Cfrac%7B85%7D%7B100%7D%5Ctimes%2024.80)
= $21.08
Therefore, sale price of a sweat shirt is $15.30 and a soccer ball is $21.08.