document.write( "Question 1118198: A movie star, unwilling to give his age, posed the
\n" ); document.write( "following riddle to a gossip columnist: “Seven years ago, I
\n" ); document.write( "was eleven times as old as my daughter. Now I am four times
\n" ); document.write( "as old as she is.” How old is the movie star?\r
\n" ); document.write( "\n" ); document.write( "Please, and recommend me a book of that kind of problems, thanks!
\n" ); document.write( "

Algebra.Com's Answer #733447 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
-------------------------------------------------------------------------
\n" ); document.write( "A movie star, unwilling to give his age, posed the
\n" ); document.write( "following riddle to a gossip columnist: “Seven years ago, I
\n" ); document.write( "was eleven times as old as my daughter. Now I am four times
\n" ); document.write( "as old as she is.” How old is the movie star?\r
\n" ); document.write( "\n" ); document.write( "Please, and recommend me a book of that kind of problems, thanks!
\n" ); document.write( "-------------------------------------------------------------------------\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "y, Movie Star
\n" ); document.write( "x, Daughter\r
\n" ); document.write( "\n" ); document.write( "The literal description: \"system%28y-7=11%28x-7%29%2Cy=4x%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y-7=11x-77\"
\n" ); document.write( "\"4x-7=11x-77\"
\n" ); document.write( "\"-7%2B77=7x\"
\n" ); document.write( "\"70=7x\"
\n" ); document.write( "\"highlight%28x=10%29\"--------daughter's age now
\n" ); document.write( "-
\n" ); document.write( "\"y=4x\"
\n" ); document.write( "\"y=4%2A10\"
\n" ); document.write( "\"highlight%28y=40%29\"--------movie star's age now\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "-----
\n" ); document.write( "-----\r
\n" ); document.write( "\n" ); document.write( "Age Word description problems such as these can be found in both old and in new Algebra 1 and Algebra 2 textbooks. How old the book will usually not matter.
\n" ); document.write( "
\n" );