document.write( "Question 637716: Answer this school maths question - If it takes three men three hours to dig a hole, how long would it take one man to dig a hole of the same size? * \n" ); document.write( "
Algebra.Com's Answer #401830 by ankor@dixie-net.com(22740)\"\" \"About 
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If it takes three men three hours to dig a hole, how long would it take
\n" ); document.write( " one man to dig a hole of the same size?
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\n" ); document.write( "Find the number of man-hours required to dig a hole. 3*3 = 9 man-hrs
\n" ); document.write( "let h = no. of hrs for 1 man to do it
\n" ); document.write( "1h = 9
\n" ); document.write( "h = 9 hrs
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