document.write( "Question 1140298: A mother is three times as old as her son Rudy. 2 years ago, she was four more than thrice Rudy's age. How old will each of them be in ten years time? \n" ); document.write( "
Algebra.Com's Answer #760796 by josgarithmetic(39620)\"\" \"About 
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m, Mother
\n" ); document.write( "r, Rudy\r
\n" ); document.write( "\n" ); document.write( "Description Part gives this starting system: \"system%28m=3r%2Cm-2=4%2B3%28r-2%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "Using second equation
\n" ); document.write( "\"m-2=4%2B3r-6\"
\n" ); document.write( "\"m-2=3r-2\"
\n" ); document.write( "\"m=3r\"\r
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\n" ); document.write( "\n" ); document.write( "This means the system is just one equation in two unknown variables:
\n" ); document.write( "\"highlight_green%28m=3r%29\"\r
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\n" ); document.write( "\n" ); document.write( "----
\n" ); document.write( "How old will each of them be in ten years time?
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\n" ); document.write( "\n" ); document.write( "Mother, \"m%2B10\"
\n" ); document.write( "Rudy, \"3r%2B10\"
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