The expression 3x + 1 gives the total cost, in dollars, of purchasing cookies from a bakery. Which of the following best states what the variable represents? A one-time fee of $1 The number of cookies purchased The total cost of purchasing cookies A one-time fee of $3

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Answer:

The expression 3x + 1 represents the total cost, in dollars, of purchasing cookies from a bakery. Thus, the variable x represents the number of cookies purchased.

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