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document.write( "A company contracts to paint 3 houses. Mr.Orange can paint a house in 6 days while Mr.Grey would take 8 days
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document.write( "and Mr.Red 12 days. After 8 days Mr.Orange goes on vacation and Mr.Grey begins to work for a period of 6 days.
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document.write( "How many days will it take Mr.Red to complete the contract?
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document.write( "The whole job is to paint 3 houses.\r\n" );
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document.write( "Mr. Orange' rate of work is 
of the house per day.\r\n" );
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document.write( "Working 8 days, Mr Orange painted 
= 
houses, and 3 - = 
houses remained\r\n" );
document.write( "to paint.\r\n" );
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document.write( "Mr. Gray' rate of work is 
of the house per day.\r\n" );
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document.write( "Working 6 days, Mr. Gray painted 
= 
of a house, and \r\n" );
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document.write( " - = 
- 
= 
of a house remained to paint.\r\n" );
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document.write( "\r\n" );
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document.write( "Mr. Red' rate of work is 
of the house per day.\r\n" );
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document.write( "Hence, he needs \r\n" );
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document.write( " 
= 11 days to complete the contract.\r\n" );
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document.write( "ANSWER. Mr. Red needs 11 days to complete the job.\r\n" );
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document.write( "Solved.\r
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document.write( "![\"\"](\"/images/stars/stars-13.gif\")
