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The school newspaper surveyed the student body for an article about club membership. The table
below shows the number of students in each grade level who belong to one or more clubs.
1 Club 2 Clubs 3 or More Clubs
9th 90 33 12
10th 125 12 15
11th 87 22 18
12th 75 27 23
If there are 180 students in ninth grade, what percentage of the ninth grade students belong to
more than one club?

Respuesta :

taskmasters
25% of the 9th grade belongs to more than one club.

9th grade population 180

1 club                    =    90
2 clubs                  =    33
3 or more clubs    =    12 
Students w/ clubs    135

2 clubs + 3 or more clubs = 33 + 12 = 45 ÷ 180 = 0.25 x 100% = 25%
1 club = 90 ÷ 180 = 0.50 x 100% = 50%
no club = 180 - 135 = 45 ÷ 180 = 0.25 x 100% = 25%