I bought two books; for Rs.470. I sold one at a loss of 15% and other at a gain of 19% and then I found each book was sold at the same price. Find the cost of the book sold at a loss?
Choose the correct answer:
A) 274.17
B) 280.17
C) 299.17
D) 266.17
E) 279.17

Rationale: "x * ( 85 / 100 ) = ( 470 - x ) 119 / 100 x = 274.17 answer : a"
Answer: A