document.write( "Question 1136180: Nadine is two years younger than Mark. The sum of their ages is 28. How old is Nadine? \n" ); document.write( "

Algebra.Com's Answer #753937 by ikleyn(52855) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "Nadine is 2 years younger than Mark  <------>  Mark is 2 year older than Nadine.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Nadine + Mark        = 28\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Nadine + (Nadine +2) = 28\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "2*Nadine = 28-2 = 26\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Nadine = 26/2 = 13 years old.   ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );