A 40-liter solution of alcohol and water is 5 percent alcohol. If 6.5 liters of alcohol and 3.5 liters of water are added to this solution, what percent of the solution produced is alcohol? Choose one.
A) 13 %	B) 14 %	C) 15 %	D) 16 %	E) 17 %

Rationale: "the percent of alcohol in the solution is ( 0.05 ( 40 ) + 6.5 ) / 50 = 8.5 / 50 = 17 % the answer is e ."
Answer: E