document.write( "Question 736450: working alone, Wade can paint a certain room in 9 hours. Phil, working alone, can paint the same room in 10 hours. How long will it take Wade and Phil to paint the room if they work together? \n" ); document.write( "

Algebra.Com's Answer #449835 by josmiceli(19441) $\"\"$ $\"About$

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Add their rates of working
\n" ); document.write( "( 1 room / 9 hrs ) + ( 1 room / 10 hrs ) = 1 room / t hrs
\n" ); document.write( " $\"+1%2F9+%2B+1%2F10+=+1+%2Ft+\"$
\n" ); document.write( "Multiply both sides by $\"+90t+\"$
\n" ); document.write( " $\"+10t+%2B+9t+=+90+\"$
\n" ); document.write( " $\"+19t+=+90+\"$
\n" ); document.write( " $\"+t+=+4.737+\"$
\n" ); document.write( " $\"+.737%2A60+=+44+\"$
\n" ); document.write( "Working together, it takes them 4 hrs and 44 min
\n" ); document.write( " \n" ); document.write( "

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