document.write( "Question 601367: If the number of white owls in Illinois has decreased from 750 to 500 in 10 years, approximate the annual rate of decrease within 3 decimals.\r
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Algebra.Com's Answer #379725 by Edwin McCravy(20056) $\"\"$ $\"About$

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If the number of white owls in Illinois has decreased from 750 to 500 in 10 years, approximate the annual rate of decrease within 3 decimals.
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document.write( "Easy way:\r\n" );
document.write( "A decrease of 250 in 10 years is an average of 25 in 1 year.\r\n" );
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document.write( "If that doesn't do it for you, here's some more detail:\r\n" );
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document.write( "You want to calculate the population decrease per year.\r\n" );
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document.write( "Population decrease = 750 - 500 = 250\r\n" );
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document.write( "Years = 10\r\n" );
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document.write( "(Population decrease)/year =  = 25 decrease/year\r\n" );
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document.write( "[\"Per\" means \"divided by\" so \"decrease per year\" means decrease \r\n" );
document.write( "divided by years.]\r\n" );
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document.write( "Edwin

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