document.write( "Question 914379: your test grades are 90, 92, 80 and 83. determine what score you must get on your next test to have an average of an 88 in the course. \n" ); document.write( "
Algebra.Com's Answer #555055 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"%2890%2B+92%2B+80%2B83%2Bx%29%2F5=88\"\r
\n" ); document.write( "\n" ); document.write( "\"%28345%2Bx%29=88%2A5\"\r
\n" ); document.write( "\n" ); document.write( "\"345%2Bx=440\"\r
\n" ); document.write( "\n" ); document.write( "\"x=440-345\"\r
\n" ); document.write( "\n" ); document.write( "\"x=95\"......you must get on your next test\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"%2890%2B+92%2B+80%2B83%2Bx%29%2F5=88\"\r
\n" ); document.write( "\n" ); document.write( "\"%2890%2B+92%2B+80%2B83%2B95%29%2F5=88\"\r
\n" ); document.write( "\n" ); document.write( "\"440%2F5=88\"\r
\n" ); document.write( "\n" ); document.write( "\"88=88\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );