document.write( "Question 86352: ) Business and finance. The electricity costs of a business decreased from $12,000 one year to $10,920 the next. What is the rate of decrease? \n" ); document.write( "
Algebra.Com's Answer #62441 by checkley75(3666)\"\" \"About 
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(12000-10920)/12000=1080/12000=.09 or 9 % decrease. \n" ); document.write( "
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