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Home > CC2 > Chapter 8 > Lesson 8.3.2 > Problem 8-78

8-78.
  1. A candy store’s specialty is taffy. Customers can fill a bag with taffy and the price is based on how much the candy weighs. The store charges $2 for 10 ounces of taffy. 8-78 HW eTool (Desmos). Homework Help ✎

    1. Copy the table below and fill in the missing values. Add three more entries.

      Amount of taffy (ounces)

      2

      5

      10

      12

      15

      20

      Price ($)

      $2

      $4

    2. Graph the values in the table. Let x represent the number of ounces and y represent the price in dollars.

    3. Is this situation proportional? Explain your reasoning.

Try writing a proportion equation.

Solve for x.

Does the price per ounce stay the same no matter how many ounces of taffy is bought?

Notice that the graph makes a straight line and intersects (0,0).

Complete the table in the eTool below to graph the points.
Click the link at right for the full version of the eTool: CC2 8-78 HW eTool