document.write( "Question 1157965: robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages. \n" ); document.write( "
Algebra.Com's Answer #780897 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! robert is 15 years old than his sister helen. the sum of their ages is 63. find their ages. \n" ); document.write( "------------ \n" ); document.write( "\"robert is 15 years old ...\" \n" ); document.write( "He's 15. \n" ); document.write( "========== \n" ); document.write( "63-15 = 48 \n" ); document.write( "She's 48 \n" ); document.write( " \n" ); document.write( " |