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31 July, 15:35

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

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  1. 31 July, 16:08
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    If she has finished 20%, she still has 80% to do. So just calculate. 8 times 150.
  2. 31 July, 16:43
    0
    80% more

    80/100 simplify = 4/5

    4/5 of 150 = 120

    She has to grade 120 more
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