document.write( "Question 407871: Mom and daughter are 27 years apart. Last year, Mom was 2 times as old as daughter. What are their ages? \n" ); document.write( "
Algebra.Com's Answer #287414 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "For any two people, the older of the two is twice the younger's age when the\r\n" );
document.write( "younger is the same age the older was when the younger was born.\r\n" );
document.write( "\r\n" );
document.write( "The mother was 27 when the daughter was born.  So last year the daughter was 27\r\n" );
document.write( "and the mother was 54.  So this year the daughter is 28 and the mother is 55.\r\n" );
document.write( "\r\n" );
document.write( "Or by algebra:\r\n" );
document.write( "\r\n" );
document.write( "      M - 1 = 2D\r\n" );
document.write( "          M = D + 27\r\n" );
document.write( "\r\n" );
document.write( " D + 27 + 1 = 2D\r\n" );
document.write( " \r\n" );
document.write( "     D + 28 = 2D\r\n" );
document.write( "\r\n" );
document.write( "         28 =  D\r\n" );
document.write( "\r\n" );
document.write( "          M = 28 + 27\r\n" );
document.write( "\r\n" );
document.write( "          M = 55 \r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );