If 4XZ + YW = 6 and XW + YZ = 12, what is the value of the expression (2X + Y)(2Z + W)?	Choose the most appropriate option:
A) 9.	B) 30.	C) 15.	D) 16.	E) 18.
(2x+y)*(2z+w) = 6+2(12) =30   Answer : 30.
<result>B</result>
If 4XZ + YW = 6 and XW + YZ = 12, what is the value of the expression (2X + Y)(2Z + W)?