document.write( "Question 1175067: Practice question (Age Word Problem)\r
\n" ); document.write( "\n" ); document.write( "The sum of the ages of Gerardo and Alice is 120 years. 10 years ago, Gerardo's age was 4 times Alice's age. How old is Gerardo now?
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Algebra.Com's Answer #800587 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"system%28y%2Bx=120%2Cy-10=4%28x-10%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-10=4%28120-y-10%29\"
\n" ); document.write( "\"y-10=4%28110-y%29\"
\n" ); document.write( "\"y-10=440-4y\"
\n" ); document.write( "\"5y=450\"
\n" ); document.write( "\"highlight%28y=90%29\"
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