document.write( "Question 866356: Leonard, Pria, and Raj can dust a mansion together in 2 hours. If Pria does the job alone, she can dust the mansion in 5 hours. If Raj works alone, he can dust the mansion in 6 hours. If Leonard works alone, how long would it take him to dust the mansion? \n" ); document.write( "

Algebra.Com's Answer #522245 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Let x represent time for Leonard alone
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document.write( "  |Multiplying thru by 30x so as all denominators = 1
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document.write( "   6x + 5x + 30 = 15x
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document.write( "             30 = 4x
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document.write( "             30/4 = x = 7.5 hr     
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