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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.

\begin{tabular}{|c|c|c|c|}
\hline & 1 Club & 2 Clubs & 3 or More Clubs \\
\hline [tex]$9^{\text{th}}$[/tex] & 90 & 33 & 12 \\
\hline [tex]$10^{\text{th}}$[/tex] & 125 & 12 & 15 \\
\hline [tex]$11^{\text{th}}$[/tex] & 87 & 22 & 18 \\
\hline [tex]$12^{\text{th}}$[/tex] & 75 & 27 & 23 \\
\hline
\end{tabular}

If there are 180 students in ninth grade, what percentage of the ninth-grade students belong to more than one club?

Sagot :

GinnyAnsweridn
To determine the percentage of ninth-grade students who belong to more than one club, we'll need to follow these steps:

1. Identify the number of ninth-grade students who belong to exactly two clubs.
2. Identify the number of ninth-grade students who belong to three or more clubs.
3. Calculate the total number of ninth-grade students who belong to more than one club by adding the numbers from steps 1 and 2.
4. Find the total number of students in ninth grade.
5. Calculate the percentage of ninth-grade students who belong to more than one club by dividing the total from step 3 by the total number of ninth-grade students, and then multiplying by 100 to convert the result to a percentage.

Let's go through these steps with the given information:

1. The number of ninth-grade students who belong to exactly two clubs is 33.
2. The number of ninth-grade students who belong to three or more clubs is 12.
3. The total number of ninth-grade students who belong to more than one club is:
[tex]\[ 33 + 12 = 45 \][/tex]
4. The total number of students in ninth grade is 180.
5. To find the percentage of ninth-grade students who belong to more than one club, we perform the following calculation:
[tex]\[ \left( \frac{45}{180} \right) \times 100 = 25.0\% \][/tex]

So, 25.0% of the ninth-grade students belong to more than one club.
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