The unit rate can be interpreted as the slope will give
of a delivery per hour
<h3>What is graph?</h3>
A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.
Given: The total time for which Noel drives = 152 hours
The total number of successful deliveries = 19
Now, Noel's unit rate for successful delivery is given by:-

Hence, Noel's unit rate for the successful delivery 1/8 of a delivery per hour
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