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January 26, 2015

January 26, 2015

Posted by **LOST** on Saturday, August 13, 2011 at 3:24pm.

a. Write an expression that gives the total cost to test x animals.

b. You can find the average cost per animal by dividing total costs by number of animals. Write the expression that gives the average cost per animal.

c. Find the average cost per animal for 10 animals, 100 animals, and 1,000 animals.

d. As the number of animals tested increases, what happens to the average cost to test the animals? Would the average cost ever fall below $4.00? If so, identify a value that supports your answer. If not, demonstrate or explain how you know.

e. How many animals should be tested for the average cost to be $6.00 per animal? (Work must be shown algebraically, not with trial and error or guess and check attempts.)

- ALGEBRA 117 -
**bobpursley**, Saturday, August 13, 2011 at 3:28pmIs there something you don't understand here? I will be happy to critique your thinking.

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