document.write( "Question 1196964: Tate scored 5 points higher on his midterm and 13 points higher on his final than he did his first exam. If his mean score was 90 what was his score on the final exam? \n" ); document.write( "

Algebra.Com's Answer #830009 by ikleyn(52788) $\"\"$ $\"About$

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

\r\n" );
document.write( "\r\n" );
document.write( "x = score on the final exam.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Your equation is, OBVIOUSLY,\r\n" );
document.write( "\r\n" );
document.write( "     = 90.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify and find x\r\n" );
document.write( "\r\n" );
document.write( "   x + (x+5) + (x+13) =270\r\n" );
document.write( "\r\n" );
document.write( "   3x = 270 - 5 - 13 = 252.\r\n" );
document.write( "\r\n" );
document.write( "    x                = 252/3 = 84.    ANSWER    (The typo is just fixed - thanks to tutor @greenestamps)\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved, with full explanation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );