Consider the following reaction.  

 2 A + B $\displaystyle \to$  2 C

Trial	[A]0	[B]0	[C]0	Rate (M/s)
1	0.21	0.77	0.064	3.457
2	0.42	0.77	0.064	13.828
3	0.21	1.54	0.064	3.457

What is the  order with respect to B?

? 0 1 2 3 4