document.write( "Question 566416: A stuent received scores of 51, 79, and 57 on their first three tests for a class. There will be a total of four tests for the class and the student hopes to acheive and average score of n in the class. Express the score, S, needed on the fourth test to acheive this average, as a function of n. \n" ); document.write( "

Algebra.Com's Answer #366250 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
A stuent received scores of 51, 79, and 57 on their first three tests for a class.
\n" ); document.write( " There will be a total of four tests for the class and the student hopes to acheive and average score of n in the class.
\n" ); document.write( " Express the score, S, needed on the fourth test to acheive this average, as a function of n.
\n" ); document.write( ":
\n" ); document.write( " $\"%28%28s%2B51%2B79%2B57%29%29%2F4\"$ = n
\n" ); document.write( "s + 187 = 4n
\n" ); document.write( "s = 4n - 187
\n" ); document.write( " \n" ); document.write( "

\n" );