document.write( "Question 1155409: Melinda scored 84%, 75% and 77% on her first three tests of the term. What score will she
\n" ); document.write( " need to earn on her fourth test in order to have an average of 80% on the first four tests?
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Algebra.Com's Answer #777979 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi
\n" ); document.write( "scored 84%, 75% and 77% on her first three tests
\n" ); document.write( "What score will she need to earn on her fourth test ***Let that be x
\n" ); document.write( "average of 80% on the first four tests...
\n" ); document.write( "\"%2884+%2B+75+%2B+77+%2B+x%29%2F4+=++80\"
\n" ); document.write( "\"%2884+%2B+75+%2B+77%29+%2B+x+=++320\"
\n" ); document.write( "\"++x+=++320+-++%2884+%2B+75+%2B+77%29\"
\n" ); document.write( "\"+x+=++320+-++%28236%29\"
\n" ); document.write( "\"+green%28x+=++84%29\"
\n" ); document.write( "84%, the score she will need to earn on her fourth test
\n" ); document.write( " Wish You the Best in your Studies. \r
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