document.write( "Question 1159704: Bob, Tom and Phil are brothers. Altogether, their ages sum to 55. Tom is 4 years younger than Bob and Phil is 8 years older than Bob. How old is each brother?
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Algebra.Com's Answer #782758 by ikleyn(52798) $\"\"$ $\"About$

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document.write( "Bob + Tom   + Phil    = 55\r\n" );
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document.write( "B   + (B-4) + (B + 8) = 55\r\n" );
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document.write( "3B + 4 = 55\r\n" );
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document.write( "3B     = 55 - 4\r\n" );
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document.write( "3B     = 51\r\n" );
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document.write( " B     = 51/3 = 17.\r\n" );
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document.write( "ANSWER.  Bob is 17;  Tom is 17-4 = 13;  Phil is 17+8 = 25.\r\n" );
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document.write( "CHECK.   17 + 13 + 25 = 55.    ! Correct !\r\n" );
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