document.write( "Question 1196109: The head gardener can mow the lawns in the city park twice as fast as his assistant. Working together, they can complete the job in 1 1/3 hours.
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document.write( "How long would it take the head gardener working alone? \n" );
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Algebra.Com's Answer #828814 by greenestamps(13203)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Tutor @ikleyn has shown one good way to solve the problem mentally, using logical reasoning and simple arithmetic, without algebra and equations. \n" ); document.write( "Here is a different such path to the answer. \n" ); document.write( "Since the head gardener works twice as fast as his assistant, when working together he does 2/3 of the job. \n" ); document.write( "So in the 4/3 hours it takes them to do the job together, the head gardener does 2/3 of the job; that means the number of hours it would take him to do the job alone is (3/2)(4/3) = 2. \n" ); document.write( "ANSWER: 2 hours. \n" ); document.write( " \n" ); document.write( " |