Question

There is a proportional relationship between minutes and dollars per minute, shown on a graph of printing expenses. The graph passes through the point (1, 3.35). What is the slope of the graph? What is the unit rate? Complete the explanation.

Answer 1

The slope of the graph is 3.35. The unit rate is 3.35 dollars per minute. This means that for every 1 minute of printing, the cost is 3.35 dollars.