document.write( "Question 227840: How long will it take Jones and Smith, together to plow a field which Jones can plow alone in 5 days and Smith alone in 8 days? \n" ); document.write( "
Algebra.Com's Answer #169255 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! If Jones can plow the field in 5 days, then he can plow 1/5 of the field in 1 day. \n" ); document.write( "If Smith can plow the field in 8 days, then he can plow 1/8 of the field in 1 day. \n" ); document.write( "So together, they can plow (1/5 + 1/8 = 13/40) of the field in 1 day. \n" ); document.write( "Which means that they can plow the entire field in 40/13 days. \n" ); document.write( "40/13 = 3.077 days \n" ); document.write( " |