document.write( "Question 1170220: A labourer built 15 m of stone wall. If she had built 2 m less each day, it would have taken her 2 days longer. How many metres did she build each day, working at her usual rate?\r
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Algebra.Com's Answer #795070 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Let x be the unknown value under the question.\r\n" );
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document.write( "Then from the condition you have this equation\r\n" );
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document.write( "     -  = 2   days.\r\n" );
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document.write( "You can solve it formally, reducing the equation to the standard quadratic form.\r\n" );
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document.write( "But the solution is seen immediately  x= 5  meters.\r\n" );
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document.write( "CHECK.   -  =  -  = 5 - 3 - 2 days.   ! Correct !\r\n" );
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