document.write( "Question 1062657: Ana can finish a certain job in 10 hours. Together, Ana and Nina can finish the same job in 3 hours. How many hours can Nina finish the job alone? \n" ); document.write( "
Algebra.Com's Answer #677622 by josgarithmetic(39630)\"\" \"About 
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Let x be how many hours Nina alone can do the job.
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