document.write( "Question 411503: Paul sells 180 bracelets in 30min and Jack sells 180 bracelets in 60min,selling together how many min will it take them to sell 180 bracelets ? \n" ); document.write( "
Algebra.Com's Answer #289264 by rfadrogane(214)\"\" \"About 
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Paul sells 180 bracelets in 30min and Jack sells 180 bracelets in 60min,selling together how many min will it take them to sell 180 bracelets ?
\n" ); document.write( "Sol'n:
\n" ); document.write( "work problem:
\n" ); document.write( "rate x time = 1
\n" ); document.write( "let x: the time spent to sold the 180 bracelets when are together
\n" ); document.write( "1/30+1/60=1/x
\n" ); document.write( "1/x=1/20
\n" ); document.write( "x=20 minutes ---answer\r
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