document.write( "Question 481737: test with 38 questions how many can I miss and still get 80% \n" ); document.write( "
Algebra.Com's Answer #329835 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F38=80%2F100\"\r
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\n" ); document.write( "\n" ); document.write( "\"100x=38%2A80\"\r
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\n" ); document.write( "\n" ); document.write( "\"100x=3040\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=3040%2F100\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=30.4\"\r
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\n" ); document.write( "\n" ); document.write( "Round up to get 31. So you need to get 31 questions correct to get an 80%
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