document.write( "Question 199674: Four men can dig a 40 foot well in 4 days. How long would it take for 8 men to dig a 60 foot well? \n" ); document.write( "
Algebra.Com's Answer #150050 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Four men can dig a 40 foot well in 4 days. \n" ); document.write( " How long would it take for 8 men to dig a 60 foot well? \n" ); document.write( ": \n" ); document.write( "Find how many man-days required to dig a 40 ft well: \n" ); document.write( "4 * 4 = 16 man-days \n" ); document.write( ": \n" ); document.write( "Let x = no. of days to dig the 60 ft well \n" ); document.write( ": \n" ); document.write( "Use a ratio equation: \n" ); document.write( " \n" ); document.write( "Simplify \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "40x = 2*60 \n" ); document.write( "40x = \n" ); document.write( "x = 3 days, 8 men dig a 60 ft well \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( " |