document.write( "Question 670594: Working alone, Ryan can dig a 10ft. by 10 ft. hole in five hours. Castel can dig the same hole in six hours. How long would it take them if they worked together? \n" ); document.write( "

Algebra.Com's Answer #417006 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "How long would it take them if they worked together?
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document.write( "Working together:  PER hr KEY
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document.write( "     6x + 5x = 30
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document.write( "       11x = 30hr
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document.write( "         x = 2.7 hr   (rounded to the nearest tenth) \n" );
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