document.write( "Question 25627: A worker can cover a parking lot with asphalt in ten hours. With the help of an assistant, they can do the job in six hours. How long would it take the assistant, working alone, to cover the parking lot with asphalt? \n" ); document.write( "

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A worker can cover a parking lot with asphalt in ten hours. With the help of an assistant, they can do the job in six hours. How long would it take the assistant, working alone, to cover the parking lot with asphalt?
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\n" ); document.write( "A worker can cover a parking lot with asphalt in ten hours.
\n" ); document.write( "HENCE IN 1 HOUR HE CAN DO 1/10 JOB.
\n" ); document.write( "With the help of an assistant, they can do the job in six hours.
\n" ); document.write( "HENCE IN ONE HOUR BOTH (HE+ASSISTANT)CAN DO 1/6 JOB
\n" ); document.write( "How long would it take the assistant, working alone, to cover the parking lot with asphalt
\n" ); document.write( "HENCE IN 1 HOUR ASSISTANT ALONE CAN DO 1/6 - 1/10 JOB =(5-3)/30=2/30=1/15 JOB
\n" ); document.write( "HENCE ASSISTANT ALONE CAN DO 1 JOB IN 1/(1/15) HOURS = 15 HOURS. \n" ); document.write( "

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