document.write( "Question 252329: Gil is twice as old as Bill was, when Gil was 8 years younger than Bill is now. The sum of their ages is 60.
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\n" ); document.write( "A = how old bill was divided by 4\r
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Algebra.Com's Answer #184184 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Gil is twice as old as Bill was, when Gil was 8 years younger than Bill is now. The sum of their ages is 60.\r\n" );
document.write( "C = how old Gil is now\r\n" );
document.write( "B = how old Gil was plus 6\r\n" );
document.write( "A = how old Bill was divided by 4 \r\n" );
document.write( "What are A, B & C? need for a combination lock puzzle. \r\n" );
document.write( "Thanks!\r\n" );
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document.write( "It's a shame you have a Bill and a B too.  I'm going to change his name to\r\n" );
document.write( "William, so I can use their initials for their ages:\r\n" );
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document.write( "Gil is twice as old as William was, when Gil was 8 years younger than William is now. The sum of their ages is 60.\r\n" );
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document.write( "C = how old Gil is now\r\n" );
document.write( "B = how old Gil was plus 6\r\n" );
document.write( "A = how old William was divided by 4 \r\n" );
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document.write( "What are A, B & C? need for a combination lock puzzle.\r\n" );
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document.write( "Gil is twice as old as William was, when Gil was 8 years younger than William is now.\r\n" );
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document.write( "Therefore Gil's age now equals twice William's age minus x years, \r\n" );
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document.write( "G = 2(W - x)\r\n" );
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document.write( "and \r\n" );
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document.write( "Gil's age minus x years equals William's age now minus 8 years.\r\n" );
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document.write( "G - x = W - 8\r\n" );
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document.write( "The sum of their ages is 60.\r\n" );
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document.write( "G + W = 60\r\n" );
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document.write( "So we have the system of equations:\r\n" );
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document.write( "Can you solve that system?  If not post again asking how.\r\n" );
document.write( "The system simplified and in standard form is\r\n" );
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document.write( "G + 2x - 2W =  0\r\n" );
document.write( "G -  x -  W = -8\r\n" );
document.write( "G      +  W = 60\r\n" );
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document.write( "solution:  G = 32, x = 12, W = 28\r\n" );
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document.write( "C = how old Gil is now = 32\r\n" );
document.write( "B = how old Gil was (x=12 years ago) plus 6 = 32-12+6 = 26 \r\n" );
document.write( "A = how old William was (x=12 years ago) divided by 4 = (28-12)÷4 = 16÷4 = 4\r\n" );
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document.write( "Edwin

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