Lanes of traffic traveling in opposite directions on a street are separated by

Lanes of traffic traveling in opposite directions on a street are separated by a yellow line. Single yellow lines may also mark the left edge of the pavement on divided highways and one-way streets. Yellow lines mark the center of a two-way road used for traffic going in opposite directions.

the number of senators, and representatives, the state has in congress.

answer; john stuart mill's principle of utility is your answer; /// good luck