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sevgila224
sevgila224 sevgila224
  • 07-02-2015
  • Mathematics
Answered

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

Verified Answer :

Gwenuin
Gwenuin Gwenuin
  • 07-02-2015

20% of 150 are done
0.2 * 150 = 30
150 - 30 are remaining
120 are remaining

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Anonymous Anonymous
  • 07-02-2015

R= left papers. r=150-20%×150=150-0.2×150=0.8×150=120
There are 120 papers left.

Answer Link

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