document.write( "Question 262936: Bob is fifteen years older than Ray. If twenty-four times Bob's age plus eighteen times Ray's age equals twenty-seven times Bob's age. What year was Bob born?\r
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Algebra.Com's Answer #193707 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
Bob
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document.write( "Write: \r\n" );
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document.write( "B\r\n" );
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document.write( "\"Is\" is equals, so you have \r\n" );
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document.write( "B =\r\n" );
document.write( "

\n" ); document.write( "fifteen years older than Ray.
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document.write( "So now you take Ray's age and add 15 onto it, and you have\r\n" );
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document.write( "B = R + 15\r\n" );
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document.write( "That's the first equation.\r\n" );
document.write( "

\n" ); document.write( "If twenty-four
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document.write( "We write: \r\n" );
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document.write( "24\r\n" );
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document.write( "Now we have\r\n" );
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document.write( "24*\r\n" );
document.write( "

\n" ); document.write( "Bob's age
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document.write( "Now we have \r\n" );
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document.write( "24*B\r\n" );
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document.write( "Now we have\r\n" );
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document.write( "24*B +\r\n" );
document.write( "

\n" ); document.write( "eighteen times Ray's age
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document.write( "Now we have \r\n" );
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document.write( "24*B + 18*R\r\n" );
document.write( "

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document.write( "Now we have \r\n" );
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document.write( "24*B + 18*B =\r\n" );
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\n" ); document.write( "twenty-seven times Bob's age.
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document.write( "Now we have \r\n" );
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document.write( "24*B + 18*R = 27*B\r\n" );
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document.write( "You can take out those *s\r\n" );
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document.write( "24B + 18R = 27B\r\n" );
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document.write( "So you have the system:\r\n" );
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document.write( "\"red%28system%28B+=+R+%2B+15%2C+24B+%2B+18R+=+27B%29%29\"\r\n" );
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document.write( "Can you simplify that and solve it? If you can't\r\n" );
document.write( "post again. But I'll bet you can.\r\n" );
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document.write( "Bob is 18 and Ray is only 3.  This year is 2010 so Ray \r\n" );
document.write( "must have been born in the year 1992.\r\n" );
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document.write( "Edwin
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