document.write( "Question 1202222: Rainbow Robots Inc. was putting on a big demomstration. Everyone came to watch the colorful robotswash the windows at the Miller building. First the big red robot washed one half of all the windows in the building. Then the smaller green robot washed one half of the windows that were left. To the cheers of everyone watching, the tiny yellow robot washed the last 10 windows. How many windows did the rainbow robots wash altogether? \n" ); document.write( "

Algebra.Com's Answer #836959 by MathTherapy(10552) $\"\"$ $\"About$

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document.write( "Rainbow Robots Inc. was putting on a big demomstration. Everyone came to watch the colorful robotswash the windows at the Miller building. First the big red robot washed one half of all the windows in the building. Then the smaller green robot washed one half of the windows that were left. To the cheers of everyone watching, the tiny yellow robot washed the last 10 windows. How many windows did the rainbow  robots wash altogether?\r\n" );
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document.write( "Let number of windows be W\r\n" );
document.write( "Number of windows washed by red robot: \r\n" );
document.write( "Number of unwashed windows after red robot washed: \r\n" );
document.write( "Number of windows remaining after green robot washed  of remainder: \r\n" );
document.write( "Number of unwashed windows left for yellow robot to wash: 10 (given)\r\n" );
document.write( "Fraction representing the number of unwashed windows left for yellow robot to wash: \r\n" );
document.write( "        We then get: \r\n" );
document.write( "Number of windows or  ------ Cross-multiplying\r\n" );
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document.write( "You could also do this BACKWARDS:\r\n" );
document.write( "Final number of unwashed windows for yellow to wash: 10\r\n" );
document.write( "Before GREEN washed  of remaining windows AFTER RED washed, number of unwashed windows: \r\n" );
document.write( "Before RED washed  of TOTAL number of windows, number of unwashed windows:

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