document.write( "Question 469906: Because of a poor grade on the fifth and final test, Chris's test grade fell from 90.5 to 84.0. what did Chris score on the fifth test. Assume all tests are equally important. \n" ); document.write( "

Algebra.Com's Answer #322363 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!
Because of a poor grade on the fifth and final test, Chris's test grade fell from 90.5 to 84.0. what did Chris score on the fifth test. Assume all tests are equally important.
\n" ); document.write( "

\r\n" );
document.write( "Let the last (poor) grade be x.\r\n" );
document.write( "\r\n" );
document.write( "It's the same as if Chris's grade on each of the first four tests were\r\n" );
document.write( "exactly 90.5.  So let's work the problem as though Chris's 5 grades were \r\n" );
document.write( "\r\n" );
document.write( "90.5, 90.5, 90.5, 90.5, and x\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( " \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Multiply both sides by 5\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Chris's poor 5th grade = 58\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );