document.write( "Question 700657: I'm having trouble with a word problem in my math class. The question is: \"Five students took an algebra test. The average scores was 84. Four of the scores were 96, 68, 79, and 85. What score did the fifth student get?\" I don't even know where to begin with this problem. Can you help? \n" ); document.write( "

Algebra.Com's Answer #431922 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "If the average of

data elements is

, then the sum of all

data elements must be

.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Hence, if your five people had an average of 84, then the sum of all 5 scores must be 5 times 84. Since you know 4 of the scores (and therefore are a simple addition problem away from knowing the sum of 4 of the scores), simple subtraction tells you the fifth one.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "

\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
\n" ); document.write( "

$\"The$

\n" ); document.write( " \n" ); document.write( "

\n" );