At a book fair, Scott bought a $4 tote bag and some books for $2 each. The total amount Scott spent is represented by the equation below.y = 2x + 4What does the variable x represent in this equation?
  1. the cost for one book
  2. the total amount spent
  3. the number of books bought
  4. the cost of all the books bought
Explanation
Answer: C - the number of books bought.
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