document.write( "Question 761757: on a test consisting 80 questions,maria answered 75% of the first 60 questions correctly,what percent of the other 20 questions did she need to answer correctly for her grade on the entire exam to be 80% ? \n" ); document.write( "
Algebra.Com's Answer #463483 by Cromlix(4381)\"\" \"About 
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75% of 60 = 45 questions right
\n" ); document.write( "80% of 80 = 64 questions right
\n" ); document.write( "64 - 45 = 19
\n" ); document.write( "So she requires to get 19 out of
\n" ); document.write( "the remaining 20 questions right.
\n" ); document.write( "19/20 * 100 = 95%
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