The cost of slippers is $10.5 after discount.
Step-by-step explanation:
Given,
Price of slippers = $15
Sale = 30%
Amount of discount = 30% of price of slippers
[tex]Amount\ of\ discount=\frac{30}{100}*15\\Amount\ of\ discount=\frac{450}{100}\\Amount\ of\ discount=\$4.5[/tex]
Sale price = Price of slippers - amount of discount
[tex]Sale\ price=15-4.5\\Sale\ price=\$10.5[/tex]
The cost of slippers is $10.5 after discount.
Keywords: percentage, subtraction
Learn more about subtraction at:
#LearnwithBrainly