Mrs. Bennett has graded 20% of her 150 students' papers. How many papers does she still need to finish grading?

Mathematics

2 answers:

vodomira [7]3 years ago

6 0

150 - (150 x 20%)
or
150 - (150 x .2)

Simplified:

150 - 30
120

saveliy_v [14]3 years ago

3 0

120

You can find out how many she has graded by multiplying 150 by the decimal version of 20% (.20). Then, subtract the number you get by 150.

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