document.write( "Question 604593: Roy told Sam, i was 10 years older than you are now, when you were born. My present age is 50 yrs . Find Sam's present age ?? \n" ); document.write( "
Algebra.Com's Answer #381291 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Let x = Sam's age now\r\n" );
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document.write( "Then Sam was born x years ago.\r\n" );
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document.write( "Roy's age x years ago was 50-x.\r\n" );
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document.write( "Roy's age x years ago was Sam's age plus 10 years, so\r\n" );
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document.write( "50-x = x+10\r\n" );
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document.write( "Solve that and get x=20\r\n" );
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document.write( "Checking (always check a word problem with the WORDS and using\r\n" );
document.write( "basic elementary school math, not the equation!)   \r\n" );
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document.write( "Roy is 50, so 20 years ago when Sam was born, Roy was 30, \r\n" );
document.write( "which is indeed 10 years older than Sam is now.\r\n" );
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document.write( "Edwin
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