Answer:
Price of 3 books after discount = $40.8
Step-by-step explanation:
Given that,
original price of book = $16
percentage discount on book = 15%
To find,
cost to buy 3 books after discount from sale section
15% discount on $16
= 16 x 15/100
= 16 x 0.15
= $2.4
price of book after discount = $16 - $2.4
= $13.6
Hence, the price of 3 books after discount from sale section
= $13.6 * 3
= $40.8
