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16-11-2014
Mathematics

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Mrs bennet graded 20% of her 150 students papers how many papers does she have left to grade

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16-11-2014

[tex]x-\ left\ papers\\\\ x=150-20\%*150=150-0,2*150=0,8*150=120\\\\ The\ remaining \ students' \ papers\ are\ equal\ to\ 120. [/tex]

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