Question

A theater company charges $6.50 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?

6.5c + a

c + 6.5a

6.5(c + a)

13(c + a)

Answer 1

all age groups

means total number of people regardless of age times cost per person=total cost

total number of people=c+a
cost per ticket is 6.5

so total cost=6.5(c+a)

3rd option