The cash difference between the selling prices of an book at a profit of 8% and 16% is $3. The ratio of the two selling prices is: Answers:
A) 55 : 23
B) 52 : 33
C) 52 : 53
D) 27 : 29
E) 51 : 34

Rationale: "let c . p . of the book be $ x . then , required ratio = 108 % of x / 116 % of x = 108 / 116 = 27 / 29 = 27 : 29 d"
Answer: D