document.write( "Question 666246: Your test scores for the semester are 87, 84, and 85. Can you raise your test average to 90 with your next test? Define the variable and write an equation. Then solve. \n" ); document.write( "

Algebra.Com's Answer #415749 by ReadingBoosters(3246) $\"\"$ $\"About$

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x = score needed on 4th test
\n" ); document.write( " $\"%2887%2B84%2B85%2Bx%29%2F4+=+90\"$
\n" ); document.write( "Solve for x
\n" ); document.write( " $\"%28256+%2B+x%29%2F4+=+90\"$
\n" ); document.write( "...
\n" ); document.write( "Multiply both sides by 4
\n" ); document.write( "256 + x = 360
\n" ); document.write( "x = 360 - 256
\n" ); document.write( " $\"highlight_green%28x+=+104%29\"$
\n" ); document.write( "Only with bonus points!
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