A bookstore has marked down the price for all of the books in certain series by 15%. How much is the discount on a book that normally costs $18.00? After the discount, how much would the book cost? Answer fast pls.

Discount is $2.70

After-discount price is $15.30

Step-by-step explanation:

To get the after-discount price, multiply $18 by (1.00 - 0.15), or, in other words, multiply $18 by 0.85.  The after-discount price is $15.30.

Two ways to find the discount:  one is to multiply $18 by 0.15; the other way is to subtract $15.30 from $18.

$15.30

Step-by-step explanation:

10

step-by-step explanation:

7+3=10

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation: