Answer:

Step-by-step explanation:
Given
See attachment for graph
Required
The unit cost
Pick any point on the dots of the graph; we have:

The unit cost is then calculated as:


Answer:
14.2604
Step-by-step explanation:
this is because 22% as a decimal would be 0.22, and since this is out of 64.82, you have to multiply 0.22 by 68.82
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Hope this helps <33
Answer:
8-feet
Step-by-step explanation:
Follow the workings in the image I sent.