Ian saved $3.00 by buying a book at a 20% discount. what was the original price of the book?

$15 was the original price of the book.

Step-by-step explanation:

Ian saved Price at 20% discount =  $3

Price of 01% = 3/20 = $0.15

Total Price = 0.15 x 100 = $15

22 and 22

step-by-step explanation:

10 plus 12 equals 22.

12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.