document.write( "Question 243098: An inexperienced secretary takes 3 hours to prepare a mailing. If her boss helps her, the
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document.write( "mailing can be completed in 1 hour. How long would it take the boss to prepare the mailing by
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document.write( "herself? \n" );
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Algebra.Com's Answer #178116 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! An inexperienced secretary takes 3 hours to prepare a mailing. \n" ); document.write( " If her boss helps her, the mailing can be completed in 1 hour. \n" ); document.write( " How long would it take the boss to prepare the mailing by herself? \n" ); document.write( ": \n" ); document.write( "Let b = time required by the boss by himself \n" ); document.write( ": \n" ); document.write( "Let the completed job = 1 \n" ); document.write( " \n" ); document.write( "Multiply by 3b; results: \n" ); document.write( "b + 3 = 3b \n" ); document.write( "3 = 3b - b \n" ); document.write( "3 = 2b \n" ); document.write( "b = \n" ); document.write( "b = 1.5 hrs \n" ); document.write( " |