document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143128>Question 1143128</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Sarah scored an 80,95,75 and an 90 on her first four test , what must she score on her fifth test if she wants An average of 88?  </SPAN>\n" );
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document.write( "Here is a way that you might find faster and easier when working a problem like this involving the average of numbers that are \"close together\".<br><BR>\n" );
document.write( "Comparing each score to the desired average of 88...<br><PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "80-88 =  -8\r\n" );
document.write( "95-88 =  +7\r\n" );
document.write( "75-88 = -13\r\n" );
document.write( "90-88 =  +2\r\n" );
document.write( "      -----\r\n" );
document.write( "        -12</PRE><BR>\n" );
document.write( "Overall, her current point total is 12 points below the desired average; that means her next test must be 12 points above the desired average.<br><BR>\n" );
document.write( "ANSWER: She needs a score of 88+12 = 100 on the next test to get an average of 88. </SPAN>\n" );
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