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)![]() ![]() You can put this solution on YOUR website! 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% \n" ); document.write( " \n" ); document.write( " |