document.write( "Question 1009926: It takes j 6 hours to lay 100 square feet of tile. It takes k 5 hours to lay 100 square feet of tile. How long will it take them to lay 100 square feet of tile together? \n" ); document.write( "
Algebra.Com's Answer #625385 by ikleyn(52776)\"\" \"About 
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\n" ); document.write( "\"1%2F6\" + \"1%2F5\" = \"5%2F30\" + \"6%2F30\" = \"11%2F30\".\r
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\n" ); document.write( "\n" ); document.write( "Hence, it will take \"30%2F11\" of an hour for J and K to lay 100 \"ft%5E2\" of tile working together.\r
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\n" ); document.write( "\n" ); document.write( "For details, see the lesson Using fractions to solve word problems on joint work in this site.\r
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