document.write( "Question 630034: The cost for an exterminator to treat a 1500 sq ft home is $65.00 and the cos for a 3000 sq ft home is $80.00. \r
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Algebra.Com's Answer #396646 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "The cost for an exterminator to treat a 1500 sq ft home is $65.00 and the cost for a 3000 sq ft home is $80.00. 
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document.write( " (3000, 80)
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document.write( " (1500, 65) Slope m = 15/1500 = 1/100
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document.write( "In general:  y = mx + b
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document.write( "   || Where C is the Cost and A the area of the home
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document.write( "   |Using (3000,80) to solve for b
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document.write( "80 = 30 + b
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document.write( "50 = b, the y-intercept
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document.write( "C = = $71 \n" );
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