document.write( "Question 461051: If a worker can do a job in 10 hours, and another can do that job in 7, how long would it take both of them to do that job together? \n" ); document.write( "
Algebra.Com's Answer #316236 by rwm(914)\"\" \"About 
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x/10+x/7=1
\n" ); document.write( "7x+10x=70
\n" ); document.write( "17x=70
\n" ); document.write( "x=70/17\r
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