document.write( "Question 1012073: Mr. Poly Nomial takes 8 hours to paint his room. After working for one hour, he called in a painter to help him. Working together they finished the job in 3 more hours. How long would it take the painter to finish the whole job if he had worked alone?
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Algebra.Com's Answer #627930 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Mr Nomial worked on the room 4 hours \n" ); document.write( "(1 hour alone, three hours with the painter) \n" ); document.write( "Since he paints a whole room in 8 hours, \n" ); document.write( "in four hours he painted half the room. \n" ); document.write( ". \n" ); document.write( "The painter painted the other half in three hours: \n" ); document.write( ". \n" ); document.write( "(3 hrs)/(1/2 room)=(3/(0.5)) hrs/room = 6 hours per room \n" ); document.write( ". \n" ); document.write( "ANSWER: The painter could paint the room in 6 hours \n" ); document.write( " |