<img alt="An illustration shows Quadrant 1 of a coordinate plane. The x-axis is labeled Ounces and ranges from 0 to 40 in 5 unit increments. The y-axis is labeled Cost in dollars and ranges from from 0.00 to 4.00 in increments of 0.50. The graph is titled Cost per Ounce. A line connects four points plotted on the graph. The coordinates of the plotted points are left parenthesis 0 comma 0 right parenthesis, left parenthesis 8 comma 0.80 right parenthesis, left parenthesis 15 comma 1.50 right parenthesis, and left parenthesis 30 comma 3.00 right parenthesis." height="870" src="

The graph displays the cost per ounce of canned peas. Use the graph to determine the unit rate of the proportional relationship.

1 answer

To find the unit rate of the proportional relationship shown in the graph, we need to calculate the cost per ounce at different points plotted on the graph.

The plotted points give us the following values:

  1. At (0, 0): 0 ounces cost $0.00.
  2. At (8, 0.80): 8 ounces cost $0.80.
    • Unit Rate = Cost / Ounces = 0.80 / 8 = $0.10 per ounce.
  3. At (15, 1.50): 15 ounces cost $1.50.
    • Unit Rate = 1.50 / 15 = $0.10 per ounce.
  4. At (30, 3.00): 30 ounces cost $3.00.
    • Unit Rate = 3.00 / 30 = $0.10 per ounce.

From all the points calculated, the unit rate of the proportional relationship is consistently $0.10 per ounce.