If 20 liters of chemical X are added to 80 liters of a mixture that is 5% chemical X and 95% chemical Y, then what percentage of the resulting mixture is chemical X? Choose the correct choice from the following options.
A) 24 %	B) 26 %	C) 28 %	D) 30 %	E) 32 %

Rationale: "the amount of chemical x in the solution is 20 + 0.05 ( 80 ) = 24 liters . 24 liters / 100 liters = 24 % the answer is a ."
Answer: A