Mrs. clark is a dance teacher whose students are going to have a recital. she is comparing 2 companies' prices for filming the recital and producing dvds. regan's productions charges $3 per dvd, plus $49 to come film the recital. georgetown media charges $41 to film, plus $7 per dvd. to decide which company to use, mrs. clark determines the number of dvds that would make the 2 options equivalent in terms of cost. how many dvds would that be? how much would each option cost?