document.write( "Question 639993: A number is increased 20% and the resulting number is decreased 50%. The final number is what percent of the original number? \n" ); document.write( "
Algebra.Com's Answer #402974 by Edwin McCravy(20059)\"\" \"About 
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document.write( "When a number is increased by 20% it is multiplied by 100% + 20% or 120% or 1.2\r\n" );
document.write( "When a number is decreased by 50% it is multiplied by 100% - 50% or 50% or 0.5\r\n" );
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document.write( "So when a number is multiplied by 1.2 and then multiplied by 0.5 it is\r\n" );
document.write( "multiplied by 1.2×0.5 = 0.6 which is 60%\r\n" );
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document.write( "Edwin
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