document.write( "Question 467868: Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to administer each test. \r
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Algebra.Com's Answer #321045 by gwendolyn(128)\"\" \"About 
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There is a base cost of 2200, and a rate of 1.5 per animal. We'll say that 'y' represents the total cost to test x animals.
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