document.write( "Question 328741: Your average score on four exams is 82. If your professor drops the lowest exam score then your average will be 86. What was the lowest score? \n" ); document.write( "

Algebra.Com's Answer #235515 by Fombitz(32388) $\"\"$ $\"About$

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$\"%28A%2BB%2BC%2BD%29%2F4=82\"$
\n" ); document.write( "1. $\"A%2BB%2BC%2BD=328\"$
\n" ); document.write( "Let $\"A\"$ be the lowest grade.
\n" ); document.write( " $\"%28B%2BC%2BD%29%2F3=86\"$
\n" ); document.write( "2. $\"B%2BC%2BD=258\"$
\n" ); document.write( "Substitute eq. 2 into eq. 1,
\n" ); document.write( " $\"A%2B258=328\"$
\n" ); document.write( " $\"A=70\"$
\n" ); document.write( "The lowest grade was a 70. \n" ); document.write( "

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