100 liter solution of cool-drink is made from 10% jasmine water. If 5 liters of jasmine and 10 liters of water were added to the solution, what percent of the solution is jasmine?	Choose one
A) 1 / 13  B) 2 / 23  C) 3 / 31  D) 4 / 15  E) 2 / 3

Rationale: denominator 100 + 5 + 10 115 numerator 100 * 0.1 = 10 - - - > jasmine water 10 + 5 = 15 - - - > new content of jasmine water in new solution ratio 3 / 23 answer is b
Answer: B