Final answer:
If you are driving below the posted speed limit on a multiple lane highway, you should drive in the right lane to allow faster-moving vehicles to pass on the left.
Step-by-step explanation:
If you are driving below the posted speed limit on a multiple lane highway, you should drive in the right lane. On a multiple lane highway, slower-moving vehicles should stay in the right lane to allow faster-moving vehicles to pass on the left. The left lane is typically reserved for passing and faster-moving traffic, while the middle lanes are used for general traffic flow.