document.write( "Question 985090: Lisa recorded her first 4 scores in a Math test. 86%,94%,78%,97%. In order to get an A She needs to have an average of 90%. What must she get on her 5th test to get an A? \n" ); document.write( "
Algebra.Com's Answer #605942 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "To average 90 over 5 scores, the sum of the scores must be (5 x 90)=450
\n" ); document.write( "86+94+78+97=355
\n" ); document.write( "450-355=95
\n" ); document.write( "ANSWER: She needs 95 on her fifth test to average 90.
\n" ); document.write( ".
\n" ); document.write( "CHECK:
\n" ); document.write( "\"%2886%2B94%2B78%2B97%2B95%29%2F5=90\"
\n" ); document.write( "
\n" );