Respuesta :
d, because the cost of a ticket for both children and adults is 7.50 each
The total money earned by the company from the sale of tickets in expression is 7.5 (c+a).
What is expression?
An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.) Expressions can be thought of as similar to phrases.
According to the question
A theater company charges $7.50 per ticket for people of all age groups.
The total number of children who bought tickets = c
The total cost for children who bought tickets = $7.50c
The total number of adults who bought tickets = a
The total cost for adult who bought tickets = $7.50a
The total money earned by the company from the sale of tickets
= The total cost for children who bought tickets + The total cost for adult who bought tickets
= 7.50c + 7.50a
= 7.5 (c+a)
Hence, The total money earned by the company from the sale of tickets in expression is 7.5 (c+a).
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