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