document.write( "Question 340115: test scores - 79,88,93
\n" ); document.write( "If all the tests are equally weighted, what score must you get on the forth test ti have a test average of 90? \n" ); document.write( "

Algebra.Com's Answer #243730 by rfer(16322) $\"\"$ $\"About$

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(79+88+93+x)/4=90
\n" ); document.write( "260+x=360
\n" ); document.write( "x=100 \n" ); document.write( "

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