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24 May, 23:18

Mrs Bennett has graded 20% of her 150 student's papers. How many papers does she have left to grade?

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Answers (2)
  1. 25 May, 00:17
    0
    R = left papers. r=150-20%*150=150-0.2*150=0.8*150=120 There are 120 papers left.
  2. 25 May, 00:45
    0
    20% of 150 are done

    0.2 * 150 = 30

    150 - 30 are remaining

    120 are remaining
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