document.write( "Question 642858: a farmer can plow a certain field three times as fast as his son. working together it will take them 6 hours to plow the field. how long would it take for his son to plow the field alone? \n" ); document.write( "
Algebra.Com's Answer #404251 by htmentor(1343)![]() ![]() You can put this solution on YOUR website! The son can plow x fields per hr \n" ); document.write( "The father can plow 3x fields per hr \n" ); document.write( "Working together, they can plow x + 3x = 1/6 fields/hr \n" ); document.write( "4x = 1/6 \n" ); document.write( "x = 1/24 fields/hr \n" ); document.write( "So the son would take 24 hours to plow the field alone \n" ); document.write( " \n" ); document.write( " |