A theater company charges $7.50 per ticket for people of all age groups. If c represents the total number of children who bought tickets and a represents the total number of adults who bought tickets, which expression best represents the total money earned by the company from the sale of tickets


7.5c + a
c + 7.5a
15(c + a)
7.5(c + a)

Respuesta :

I believe its the last one 

Answer:

last one

Step-by-step explanation: