document.write( "Question 1154360: zack is 15 1/2 years old this is three years younger than his brother Lou how old is Lou \n" ); document.write( "
Algebra.Com's Answer #776768 by FrankM(1040)\"\" \"About 
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Z = 15.5
\n" ); document.write( "Z = L-3
\n" ); document.write( "L-3 = 15.5\r
\n" ); document.write( "\n" ); document.write( "L = 18.5
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