SOLUTION: 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 th
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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% ?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
75% of 60 = 45 questions right
80% of 80 = 64 questions right
64 - 45 = 19
So she requires to get 19 out of
the remaining 20 questions right.
19/20 * 100 = 95%
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