document.write( "Question 833868: Tina and Jane can paint an apartment in 5 hours together. If Tina can do the same job alone in 7 hours, how long will it take jane to finish alone?? \n" ); document.write( "
Algebra.Com's Answer #502747 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/7+1/j=1/5
\n" ); document.write( "5/7+5/j=1
\n" ); document.write( "5/j=2/7
\n" ); document.write( "2j=35
\n" ); document.write( "j=17.5\r
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