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# Average Cost A company's total cost for operating its two warehouses is$$C(x, y)=\frac{1}{9} x^{2}+2 x+y^{2}+5 y+100$$dollars, where $x$ represents the number of units stored at the first warehouse and $y$ represents the number of units stored at the second. Find the average cost to store a unit if the first warehouse has between 40 and 80 units, and the second has between 30 and 70 units. (Hint: Refer to Exercises $61-64 . )$

## $\$ 3518\$

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##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

##### Samuel H.

University of Nottingham

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### Video Transcript

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New Jersey Institute of Technology
##### Heather Z.

Oregon State University

##### Kristen K.

University of Michigan - Ann Arbor

##### Samuel H.

University of Nottingham

Lectures

Join Bootcamp