document.write( "Question 815902: Working together, two computers can execute a program in 5 hours. Individually, the
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document.write( "older model requires 3 hours longer than the newer model to execute the program. \n" );
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Algebra.Com's Answer #491291 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Let h = the time in hours for the new computer to do THE ONE JOB. \n" ); document.write( "Theses numbers or expressions represent the three different work rates: \n" ); document.write( "Old, 1/(h+3) \n" ); document.write( "New, 1/h \n" ); document.write( "Together, 1/5 \n" ); document.write( "Watch carefully that those rates are in jobs per hour.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Old computer's rate plus New computer's rate is the rate for both computers working together.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "If you solve for h, then you can also determine or compute the old computer's rate. \n" ); document.write( " |