document.write( "Question 443188: Max is four times older than his sister.
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document.write( "she is 9 years younger than max.
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document.write( "how old is max? \n" );
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Algebra.Com's Answer #305715 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! M = 4 * S \n" ); document.write( "S +9 = M\r \n" ); document.write( "\n" ); document.write( "S+ 9 = 4S \n" ); document.write( "9 = 3S\r \n" ); document.write( "\n" ); document.write( "S = 3\r \n" ); document.write( "\n" ); document.write( "M = 4 *3\r \n" ); document.write( "\n" ); document.write( "M = 12\r \n" ); document.write( "\n" ); document.write( "Max is 12, sister is 3. \n" ); document.write( " |