The admission fee to an amusement park is $19. It costs an additional d dollars to rent a locker to hold your belongings. The total cost for 7 people to enter the amusement park and each rent a locker is $161. How much does it cost for one person to rent a locker?

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.