document.write( "Question 1145995: Amber is twice as old as brad. Ciera is seven years older than amber. The sum of there ages is 39. How old is each person? \n" ); document.write( "

Algebra.Com's Answer #767272 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "Amber is twice as old as brad. Ciera is seven years older than amber. The sum of there ages is 39. How old is each person?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Let x be the Brad's age, in years.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then Amber's age is 2x years; while Ciera's age is (2x+7) years.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The total is 39, which gives you an equation\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    x + 2x + (2x+7) = 39.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify and solve for x\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    5x + 7 = 39\r\n" );
document.write( "\r\n" );
document.write( "    5x = 39 - 7 = 32.\r\n" );
document.write( "\r\n" );
document.write( "    x = .\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "There is no integer solution.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "In age word problems, it is traditionally assumed that the solution is an integer number.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "If there is no integer solution, the problem is considered as a FAKE.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  This problem is a FAKE.\r\n" );
document.write( "

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

\n" );