document.write( "Question 583737: If I have a 63% in a class and my final test is worth 20% of my grade. What will I have to score on the test in order to maintain a 63% in class? \n" ); document.write( "
Algebra.Com's Answer #372585 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! 0.8*0.63 + 0.2x = 0.63\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.504 + 0.2x = 0.63\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.2x = 0.63-0.504 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "0.2x = 0.126\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 0.126/(0.2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 0.63\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So you need to score a 63% to maintain a 63%. Scoring anything higher will bring your overall grade higher. \n" ); document.write( "-------------------------------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "If you need more help, you can email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "or you can visit my website: http://www.freewebs.com/jimthompson5910/home.html for more details.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thank you,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( " |