Math Trivia!?

Question

The selling price of a book is 40% above cost. You recieve a 15% discount and pay $8.65 for the book. What was the original (wholesale) cost of the book?

Answer 1

7.11 $

Answer 2

$6.10  

8.65/.85= 10.17  original selling price

10.17/.6= 6.10 thw wholesale price

Answer 3

$8.65 IS 85% of $10.17 (which is the original selling price).

10.17/x = 140%/40

10.17*100 = 140x

1017=140x

1017/40 =

$7.26

Answer 4

$7.26

$8.65 is 85% of $10.17 the original sales price of the book.

$7.26 * 1.4 is 10.17.