document.write( "Question 897369: On 3 tests, the average grade is 91. What must you average on the last 3 tests to have at least an average of 94? \n" ); document.write( "
Algebra.Com's Answer #544705 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"%28A%2BB%2BC%29%2F3=91\"
\n" ); document.write( "\"A%2BB%2BC=3%2A91\"
\n" ); document.write( "\"A%2BB%2BC=273\"
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\n" ); document.write( "\"%28D%2BE%2BF%29%2F3=X\"
\n" ); document.write( "\"D%2BE%2BF=3X\"
\n" ); document.write( "So then, the total average is,
\n" ); document.write( "\"%28A%2BB%2BC%2BD%2BE%2BF%29%2F6=94\"
\n" ); document.write( "\"A%2BB%2BC%2BD%2BE%2BF=564\"
\n" ); document.write( "Substituting,
\n" ); document.write( "\"%28273%29%2B3X=564\"
\n" ); document.write( "\"3X=291\"
\n" ); document.write( "\"X=97\"
\n" ); document.write( "You need to average a 97.\r
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