User: What is the value of (x + 4)(x - 3) when x = 3?

User: A carnival charges $8.50 per ticket for adults and $4.50 per ticket for children. Which expression represents the total price a group of x adults and y children would pay to go to the carnival? (Points : 3)
4.5x + 8.5y
(4.5 + 8.5)(x + y)
8.5x + 4.5y
8.5x 4.5y

A carnival charges $8.50 per ticket for adults and $4.50 per ticket for children. 8.5x + 4.5y represents the total price a group of x adults and y children would pay to go to the carnival.

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