document.write( "Question 1083512:  Joe can assemble a computer by himself in 60 minutes. Working with an assistant, he can assemble a computer in 50 minutes. How long would it take his assistant to do it working alone?\r
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| Algebra.Com's Answer #697509 by Boreal(15235)     You can put this solution on YOUR website! in 1 minute, Jan does 1/60 of the job \n" ); document.write( "together, they can do 1/50 of a job in 1 minute \n" ); document.write( "assistant takes x minutes to assemble a computer \n" ); document.write( "assistant does 1/x of the job in a minute \n" ); document.write( "50 minutes to complete it together \n" ); document.write( "(50/60)+(50/x)=1 \n" ); document.write( "multiply by 60x \n" ); document.write( "50x+3000=60x \n" ); document.write( "10x=3000 \n" ); document.write( "x=300 minutes ANSWER \n" ); document.write( "50/60+50/300=5/6+1/6=1 \n" ); document.write( " \n" ); document.write( " |