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Mrs.Bennett has graded 20% of her 150 students papers. How many papers does she still need to finish?
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4 votes
Mrs.Bennett has graded 20% of her 150 students papers. How many papers does she still need to finish?

User Thefreeman
by
7.9k points

2 Answers

4 votes
If she has finished 20%, she still has 80% to do. So just calculate .8 times 150.
User Mariner
by
8.6k points
2 votes
80% more
80/100 simplify = 4/5
4/5 of 150 = 120
She has to grade 120 more
User Kranthi Kumar
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7.7k points
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