ruchierosanp1n3qw
28.08.2019 •
Mathematics
Johnny has graded 20% of his 150 students papers how many papers does he still need to finish grading ?
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Ответ:
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.
Ответ:
(f – g)(x) = 3x + 2 - 2x + 2
(f – g)(x) = x + 4