document.write( "Question 666040: Betty paints twice as fast as dan. Working together, dan and betty can paint 2400 sq. ft. in 4 hours. Another employee sue joined their painting team. Working together dan betty and sue can paint 3600 sq. ft. in 3 hours\r
\n" ); document.write( "\n" ); document.write( "If sue works alone how many sq ft can she paint in 4 hours and 27 minutes
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Algebra.Com's Answer #414231 by vleith(2983) $\"\"$ $\"About$

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dan and betty can paint 2400sq ft in 4 hours. So that is 2400/4 = 600 sq ft per hour.
\n" ); document.write( "Betty can paint twice as much as dan, so {d + 2d = 600}}}
\n" ); document.write( " $\"d=600%2F3+=+200\"$
\n" ); document.write( "Dan can do 200 sq ft/hour. Bety can do twice that, 400sq ft/hour\r
\n" ); document.write( "\n" ); document.write( "Now you are told they get sue to help.
\n" ); document.write( "The three of them paint 3600 sq ft in 3 hours.
\n" ); document.write( "You know dan and Betty do 600 sq ft/hour. So the two of them will do 1800 sq ft in 3 hours. That mean sue does $\"3600+-+1800+=+1800\"$ sq ft in 3 hours.
\n" ); document.write( "So sue does 600 sq ft /hour\r
\n" ); document.write( "\n" ); document.write( "Use that rate to see how much sue can paint in 4 hours 27 minutes (remember that 27 minutes is 27/60 of an hour \n" ); document.write( "

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