Every year, Mrs. Woods gives an end of the year math project as a major grade. The circle graph below
show the percent of students receiving grades within the given grade range.
End of Year Math Project
0-69
20%
70 - 79
15%
90 - 100
30%
80 - 89
45%
If there were 140 students enrolled in her class, how many students received a grade of at least an 80
on the end of the year math project?
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