How many students had 3 or more absences? Add together {45%, 21%, 23%} and subtract that sum from 100%: 11%.
How many students had two or more absences? Add together this 11% and 21%: 32% had two or more absences. Let the total number of students be n. Then 32% of these n students add up to 96 students. Thus, 0.32n = 96, and n= 300.
How many students had one absence? The chart shows that that is 45%, and we know that there are 300 students total.
Thus, the number of students who had one absence was 0.45(300) = 135.
1 absence = 45% 2 absences = 21% no absences = 23% added = 89% so 3 or more absences = (100% - 89%) = 11%
96 students had 2 or more absences.....2 or more absences = (21% + 11%) = 32% so 96 of the total students = 32%.......32% of what is 96... 0.32x = 96 x = 96/0.32 x = 300 so there are a total of 300 students..
how many students had 1 absence ? 45% of 300 had 1 absence 0.45(300) = 135 students had 1 absence <====
