Tickets for the school play cost $7 each. each member of the cast gets 1 free ticket for a family member. for the run of the play, 210 tickets are collected, including all the free tickets, and the box office makes $1,358 from ticket sales. the equation that models this situation is 7(210 – c) = 1,358 where c is the number of cast members. how many cast members are in the play? a. 6 people b. 7 people c. 16 people d. 194 people