document.write( "Question 670797: To receive a grade of A, the average of four 100-point exams must be 90 or better. If a student received scores of 88,83,and 92 on the first three exams, what miniumn score does he need on the fourth exam to earn an A? \n" ); document.write( "
Algebra.Com's Answer #417188 by ReadingBoosters(3246)\"\" \"About 
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\"%2888%2B83%2B92%2Bx%29%2F4+%3E=+90\"
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\n" ); document.write( "\"%28263+%2B+x%29%2F4+%3E=+90\"
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\n" ); document.write( "Multiply both sides by 4
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\n" ); document.write( "\"263+%2B+x+%3E=+90%284%29\"
\n" ); document.write( "\"263+%2B+x+%3E=+360\"
\n" ); document.write( "\"x+%3E=+360+-+263\"
\n" ); document.write( "\"highlight_green%28x+%3E=+97%29\" as a grade on the fourth test
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\n" ); document.write( "………
\n" ); document.write( "Delighted to help.
\n" ); document.write( "-Reading Boosters
\n" ); document.write( "Wanting for others what we want for ourselves.
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