document.write( "Question 1073732: Alan needs to earn a B in his sociology class. His current scores are 77, 92, 83, and 80. His final exam is worth 4 test scores. In order to earn a B Alan's average must lie between 80 and 89 inclusive. What range of scores can Alan receive on the final exam to earn a B in the course?
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Algebra.Com's Answer #688517 by Fombitz(32388) $\"\"$ $\"About$

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Find the weighted average, A, so that,
\n" ); document.write( " $\"80%3C=A%3C=89\"$
\n" ); document.write( " $\"80%3C=%2877%2B92%2B83%2B80%2B4T%29%2F8%3C=89\"$
\n" ); document.write( " $\"640%3C=332%2B4T%3C=712\"$
\n" ); document.write( " $\"308%3C=4T%3C=380\"$
\n" ); document.write( " $\"77%3C=T%3C=95\"$ \n" ); document.write( "

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