document.write( "Question 193745: A student gets an 86% on one test and 73% on the second test. What does the student need to get on the third exam to stay at a B (83%)?
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Algebra.Com's Answer #145421 by Mathtut(3670) $\"\"$ $\"About$

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(.86+.73+x)/3=.83
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\n" ); document.write( "1.59+x=2.49
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\n" ); document.write( "x=.90
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\n" ); document.write( ".9(100)=90% is needed \n" ); document.write( "

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