Karen and Sara Go for a Bike Ride $3 \frac { 1 } { 3 }$

Multiple Choice

Karen and Sara go for a bike ride. Karen biked for $3 \frac { 1 } { 3 }$ Hours, which was 2/3 as many hours as Sara biked. How many hours did Sara bike?

A) 2 $\frac { 2 } { 9 }$

B) 2 $\frac { 2 } { 3 }$

C) 4

D) 5