document.write( "Question 570888: a person took four tests and got an 88, 86, 84, an a 93. the last test is worth 3 test grades. what do u have to get on the last test to get a 90 for the class? \n" ); document.write( "
Algebra.Com's Answer #367835 by stanbon(75887)\"\" \"About 
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a person took four tests and got an 88, 86, 84, an a 93. the last test is worth 3 test grades. what do u have to get on the last test to get a 90 for the class?
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\n" ); document.write( "Equation:
\n" ); document.write( "(88+86+93+3x)/6 = 90
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\n" ); document.write( "267+3x = 540
\n" ); document.write( "3x = 273
\n" ); document.write( "x = 91
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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