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Johnny has graded 20% of his 150 students papers how many papers does he still need to finish grading ?
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1 vote
Johnny has graded 20% of his 150 students papers how many papers does he still need to finish grading ?

User Omar Hassan
by
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2 Answers

3 votes
First change 20% to a decimal 20% = .20
Then you multiply 150x.20=30 to find out how many papers he has graded so far.
Then subtract 30 from 150 to find out how many papers he still needs to grade.
150 - 30 = 120
So he has 120 papers left to grade.
User Radu C
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7.8k points
3 votes
The correct answer is 120 papers.
User Wescpy
by
8.2k points
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