document.write( "Question 874443: Help!
\n" ); document.write( "It takes Ryan 4 hours to paint a room. It takes Tiffany 6 hours to paint the same room. How long will it take them to paint the room if they do the job together?
\n" ); document.write( "A. 2 1/5 hours
\n" ); document.write( "B. 2 2/5 hours
\n" ); document.write( "C. 1 1/6 hours
\n" ); document.write( "D.5/6 hours
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Algebra.Com's Answer #527484 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
\"1%2F4+%2B+1%2F6+=+1%2Fx\" |Multiplying thru by 24x so as all denominators = 1
\n" ); document.write( " 6x + 4x = 24
\n" ); document.write( " 10x = 24
\n" ); document.write( " x = 2.4hr 0r 2hr and 24min
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