document.write( "Question 696182: mary is 24 years old. mary is twice as old as ana was when mary was as old as ana is now. how old is ana? \n" ); document.write( "

Algebra.Com's Answer #819195 by MathTherapy(10552) $\"\"$ $\"About$

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mary is 24 years old. mary is twice as old as ana was when mary was as old as ana is now. how old is ana?
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The other person's answer, 18-years-old is correct!\r\n" );
document.write( "Age-related problems like this can be a real HEADACHE, but once you  get used to them, they become a \"breeze\" to figure out. \r\n" );
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document.write( "One KEY piece of information that needs to be derived is who's OLDER. The statement, \"when mary was as old as ana is now\" \r\n" );
document.write( "clearly shows that Mary is older.\r\n" );
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document.write( "With Mary being the older person, and with Ana's age being A, the difference in their ages is: M - A, or 24 - A, since Mary is 24.\r\n" );
document.write( "Mary was Ana's age, \"24 - A\" years ago, at which time Ana was A - (24 - A), or 2A - 24\r\n" );
document.write( "Now, since it's stated that, \"mary is twice as old as ana was when mary was as old as ana is now,\" we get \r\n" );
document.write( "the following equation: 24 = 2(2A - 24)\r\n" );
document.write( "                        24 = 4A - 48\r\n" );
document.write( "                   24 + 48 = 4A\r\n" );
document.write( "                        72 = 4A\r\n" );
document.write( "Ana, or

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