document.write( "Question 659428: On five tests (on which the scores could range anywhere from 0 to 100, inclusive) Katie had
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document.write( "an average of exactly 88. Find the lowest score Katie could have received on one test. \n" );
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Algebra.Com's Answer #410808 by colliefan(242)![]() ![]() ![]() You can put this solution on YOUR website! This is a weird question.\r \n" ); document.write( "\n" ); document.write( "Her lowest grade is possible if the other four were all 100s. The question is then what test score when averaged with four 100s gives an average of 88?\r \n" ); document.write( "\n" ); document.write( "Avg=(100+100+100+100+x)/5 \n" ); document.write( "88=(400+x)/5 \n" ); document.write( "5*88=(400+x)/5 * 5 \n" ); document.write( "440=(400+x)*1 \n" ); document.write( "440=400+x \n" ); document.write( "440-400=400+x-400 \n" ); document.write( "40=x\r \n" ); document.write( "\n" ); document.write( "Substitute in in to see if the average is 88. \n" ); document.write( " |