document.write( "Question 980744: if 1 tractor ploughs a field in 5.6 hours and another can plough the same field in 2.8 hours. How long would it take if both were working simultaneously to plough the field \n" ); document.write( "
Algebra.Com's Answer #601846 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Tractor 1: (1 field)/(5.6hrs)=0.179 field/hr \n" ); document.write( "Tractor 2: (1 field)/(2.8hrs)=0.357 field/hr \n" ); document.write( "Together: 0.179 field/hr+0.357 field/hr=0.536 field/hr \n" ); document.write( ". \n" ); document.write( "To plow 1 field at 0.536 field/hr: \n" ); document.write( "(1 field)/(0.536 field/hr)=1.87 hours\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |