document.write( "Question 1191073: Fred can seal asphalt driveway in 1/3 the time it takes John. Working together, it takes them 1 1/2 hours. How long would it have taken Fred working alone?
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Algebra.Com's Answer #822822 by josgarithmetic(39617)\"\" \"About 
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If the time for Fred working alone for the job is \"t\", the the time for John working alone is \"3t\". Both working together, time \"3%2F2\" hours.\r
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