document.write( "Question 749477: Amso can dig a hole in 6 hrs, Ndou candig the same hole in 4 hrs. How long would it take both Amso and Iblis to dig half a hole if they worked together? \n" ); document.write( "
Algebra.Com's Answer #455964 by Alan3354(69443)\"\" \"About 
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Amso can dig a hole in 6 hrs, Ndou candig the same hole in 4 hrs. How long would it take both Amso and Iblis to dig half a hole if they worked together?
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\n" ); document.write( "In 1 hour, Amso digs 1/6 of the hole, Ndou digs 1/4.
\n" ); document.write( "Together, they dig 1/6 + 1/4 = 10/24 holes/hour
\n" ); document.write( "--> 24/10 hours/hole
\n" ); document.write( "= 2.4 hours
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