y = A + B where A and B vary directly and inversely respectively with x; x = 1 when y =11 and x = 2 when y = 13. The value of y when x = 3 is

y = A + B where A and B vary directly and inversely respectively with

1.	y = A + B where A and B vary directly and inversely respectively with x; x = 1 when y =11 and x = 2 when y = 13. The value of y when x = 3 is
A.	15
B.	17
C.	19
D.	20
Answer» C. 19