document.write( "Question 78578: Arlene and AJ are Chemist. AJ can do an emulsion polymerization experiment in 10 hours. If AJ and Arlene work together they can do the experiment in 6 hours. How long will it takeo Arlene working by herself to do the experiment?\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #56326 by buz_master(1)\"\" \"About 
You can put this solution on YOUR website!
4 hours \n" ); document.write( "
\n" );