document.write( "Question 471241: In 8 hours, an experienced cook prepares enough pies to supply a local restaurant’s daily order. Another cook prepares the same number of pies in 9 hours. Together with a third cook, they prepare the pies in 3 hours. Find how long it takes the third cook to prepare the pies alone. \n" ); document.write( "

Algebra.Com's Answer #323223 by jorel1380(3719) $\"\"$ $\"About$

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1/8+1/9+1/n=1/3
\n" ); document.write( "1/n=1/3-1/8-1/9
\n" ); document.write( "\"=24/72-9/72-8/72=24-17/72=7/72
\n" ); document.write( "7n=72
\n" ); document.write( "n=72/7
\n" ); document.write( "It takes the third cook 10-2/7 hours to cook the pies alone.. \n" ); document.write( "

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