document.write( "Question 117251: 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 #85283 by checkley71(8403) $\"\"$ $\"About$

You can put this solution on YOUR website!
(12,000-10,920)/12,000=1080/12,000.09 OR 9% ANNUAL DECREASE. \n" ); document.write( "

\n" );