document.write( "Question 757248: In Algebra class, Bob has scored an 81, 83, 70, and a 86. What score does Bob need on his fifth test to obtain an average of 82? (Assume all tests are equally weighed \n" ); document.write( "
Algebra.Com's Answer #460762 by LearnWithMajor(33)\"\" \"About 
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Let x = the score he makes on the 5th test\r
\n" ); document.write( "\n" ); document.write( "\"%2881%2B83%2B70%2B86%2Bx%29%2F5+=+82\" \r
\n" ); document.write( "\n" ); document.write( "\"81%2B83%2B70%2B86%2Bx+=+410\"\r
\n" ); document.write( "\n" ); document.write( "\"320+%2B+x+=+410\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+90\"
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