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)\"\" \"About 
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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
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