document.write( "Question 83959: A student has grades of 89, 96, 88 and 90 on the first four exams in a certain course. What is the lowest(whole number) grade that must be obtained on the fifth exam in order for this student to have an average of more than 92? \n" ); document.write( "
Algebra.Com's Answer #60400 by checkley75(3666)\"\" \"About 
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(89+96+88+90+x)/5=92
\n" ); document.write( "(363+x)/5=92 now cross multiply
\n" ); document.write( "363+x=460
\n" ); document.write( "x=460-363
\n" ); document.write( "x=97 for the required final test to have an acerage iof 92.
\n" ); document.write( "proof
\n" ); document.write( "(89+96+88+90+97)/5=92
\n" ); document.write( "460/5=92
\n" ); document.write( "92=92\r
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