Let's define the variables first:
- Let \( d \) represent the number of drinks Alex and Leandro buy.
- Let \( p \) represent the number of bags of popcorn they buy.
Now we can calculate their total spending based on the items they purchase:
-
The cost of two matinee tickets is \( 2 \times 6.50 = 13.00 \).
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The cost of drinks is \( 5.50d \) (since each drink costs $5.50, and they buy \( d \) drinks).
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The cost of bags of popcorn is \( 6.00p \) (since each bag of popcorn costs $6.00, and they buy \( p \) bags).
Now, we can write the total cost \( C \) as an algebraic expression:
\[ C = 13.00 + 5.50d + 6.00p \]
This expression represents the total amount they spend based on the number of drinks and bags of popcorn they buy, along with the cost of the matinee tickets.