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Tickets to a museum cost $12 for each adult and $9 for each child. What would be the best choice for variable(s) when writing an expression for the total cost of attending the museum?

A. t would represent the total number of tickets sold

B. a would represent the total area/square footage of the museum

C. a would represent the total number of adult tickets bought, and c would represent the total number of child tickets bought

D. a would represent the cost per adult ticket, and c would represent the cost per child ticket

User Xi
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The answer is C.
The rest just don't seem to make sense:
A) That won't help since the tickets are 2 different prices.
B) Why does the area of the museum matter?
D) We already know the cost per ticket
User Dave Carlile
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