document.write( "Question 139272: If John cleans a house in 8 hours and Julie cleans a similar house in 6 hours, how long should it take them to clean another similar house working together? \n" ); document.write( "
Algebra.Com's Answer #101545 by solver91311(24713)\"\" \"About 
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John cleans one whole house in 8 hours, so he can clean \"1%2F8\" of a house in 1 hour. Likewise, Julie can clean \"1%2F6\" of a house in 1 hour.\r
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\n" ); document.write( "\n" ); document.write( "Together they can clean \"1%2F8%2B1%2F6=3%2F24%2B4%2F24=7%2F24\" of a house in 1 hour. Therefore it would take them \"24%2F7\" or three and one-seventh hours to clean one whole house together.\r
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