document.write( "Question 1172574: Janet is three years older than her sister Julie. Janet's brother is eight years younger than their sister julie. The sum of all their ages is 55 years. \n" ); document.write( "

Algebra.Com's Answer #797654 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  
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document.write( "Let x represent Julie's age  
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document.write( "Janet  (x+3)
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document.write( "Brother (x-8) 
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document.write( "The sum of all their ages is 55 years.
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document.write( "x + (x+3) + (x-8) = 55
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document.write( "3x -5 = 55
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document.write( "3x = 60
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document.write( "x = 20
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document.write( "Julie 20, Janet 23, the brother 12
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document.write( "CHECKING our answer***
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document.write( "20 + 23 + 12 = 55 CHECKS!
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document.write( "Wish You the Best in your Studies. \n" );
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