document.write( "Question 638678: Claire has received scores of 85, 88, 87, and 80 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 82? \n" ); document.write( "

Algebra.Com's Answer #402343 by josmiceli(19441) $\"\"$ $\"About$

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Let the minimum score she needs = $\"+x+\"$
\n" ); document.write( " $\"+%28+85+%2B+88+%2B+87+%2B+80+%2B+x+%29+%2F+5+=+82+\"$
\n" ); document.write( "Multiply both sides by $\"+5+\"$
\n" ); document.write( " $\"+85+%2B+88+%2B+87+%2B+80+%2B+x+=+410+\"$
\n" ); document.write( " $\"+340+%2B+x+=+410+\"$
\n" ); document.write( " $\"+x+=+70+\"$
\n" ); document.write( "She must score at least 70 \n" ); document.write( "

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