document.write( "Question 1011472: a boy is ten years older than his brother. in 4 years he will be towice as old as his brother. what is the percentage age of each
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Algebra.Com's Answer #627111 by josgarithmetic(39618)\"\" \"About 
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A boy, m
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\n" ); document.write( "\n" ); document.write( "\"system%28m=n%2B10%2Cm%2B4=2%28n%2B4%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"m%2B4=2n%2B8\"
\n" ); document.write( "\"m-2n=4\"
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\n" ); document.write( "\"n%2B10-2n=4\"
\n" ); document.write( "\"-n=4-10\"
\n" ); document.write( "\"n=6\"\r
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\n" ); document.write( "\n" ); document.write( "You find m and figure out the percents.
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