24 lbs of coffee P and 25 lbs of coffee V are mixed to make coffee X and Y. The ratio of P to V in coffee X is 4 to 1, in Y is 1 to 5. How much of P is contained in the mixture X?  Select the correct option.
A) 10 B) 20 C) 30 D) 40 E) 50
Let there be 4x lbs of P in X and x lbs of V in X   Let there be y lbs of P in Y and 5y lbs of V in Y   Now total P is   4x + y = 24   and total Q is   x + 5y = 25   Solving the two equations, we get   x = 5 and y = 4   Mixture X has 4x lbs of P = 4x = 4 * 5= 
<gadget id="calculator">4 * 5</gadget>
<output>20</output>
20lbs   ANSWER:20
<result>B</result>
24 lbs of coffee P and 25 lbs of coffee V are mixed to make coffee X and Y. The ratio of P to V in coffee X is 4 to 1, in Y is 1 to 5. How much of P is contained in the mixture X?