document.write( "Question 913809: A student has an average of 86 in three examination. What grade must he/she receive on his/her next test to raise his/her average to 88? \n" ); document.write( "
Algebra.Com's Answer #554791 by rfer(16322)\"\" \"About 
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(86*3+x)/4=88
\n" ); document.write( "258+x=88*4
\n" ); document.write( "x=352-258
\n" ); document.write( "x=94
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