Answer
\$8 per delivery
Work Step by Step
Use 2 known points to find the slope.
If 0 deliveries are made the cost is \$50.
If 1 delivery is made the cost is \$58.
$slope=\frac{\Delta y}{\Delta x}=\frac{58-50}{1-0}=\frac{8}{1}=8$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.