document.write( "Question 972055: Ben paint a house in 30 hours and Amy paints one in 82.5 hours. How long does it take to paint the house together? \n" ); document.write( "
Algebra.Com's Answer #594464 by amarjeeth123(569)\"\" \"About 
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Ben paint a house in 30 hours.
\n" ); document.write( "In 1 hour Ben can paint (1/30) of the house.
\n" ); document.write( "Amy paints one in 82.5 hours
\n" ); document.write( "In 1 hour Amy can paint (1/82.5)of the house.
\n" ); document.write( "In 1 hour they can together paint (1/30+1/82.5) of the house i.e.(0.0454545454545) of the house
\n" ); document.write( "They can paint the house in 1/0.0454545454545=22 hours.
\n" ); document.write( "They can paint the house together in 22 hours.
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