A small movie theater sells children s tickets for 4 each and adult tickets for 10 each for an animated movie The theater sells a total of 388 in ticket sales a If c represents the number of children s tickets sold and a represents the number of adult tickets sold write an equation that models the information shown above c Show that after multiplying both sides of the equation in a by 2 c 52 and a 18 is still a solution to this equation b Show that c 52 and a 18 is a solution to this equation not system d How can you interpret multiplying both sides of the equation by 2 in letter a in terms of ticket prices and total ticket sales