document.write( "Question 213134: riza was 25 when her first son was born. Today the sum of their ages is 105. How old is riza and her son now?? \n" ); document.write( "
Algebra.Com's Answer #161019 by rapaljer(4671)\"\" \"About 
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Let x= age of the son now
\n" ); document.write( "x+25 = age of Riza now\r
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\n" ); document.write( "\n" ); document.write( "x + x + 25 = 105
\n" ); document.write( "2x + 25 = 105
\n" ); document.write( "2x=80
\n" ); document.write( "x= 40 Age of son
\n" ); document.write( "x+25 = 65 Age of Riza\r
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\n" ); document.write( "\n" ); document.write( "R^2
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