There are 180 students in the seventh grade, and 20% are in the Environmental Club. How many students are in the Environmental Club?

Understand the Problem

The question is asking to calculate the number of students in the Environmental Club based on the total number of seventh grade students and the percentage that belongs to the club. The calculation will involve finding 20% of 180 students.

Answer

$36$

Steps to Solve

Find the percentage value To calculate the number of students in the Environmental Club, find 20% of the total number of seventh grade students, which is 180.
Convert percentage to decimal Convert the percentage 20% into a decimal. This is done by dividing by 100: $$ 0.20 = \frac{20}{100} $$
Multiply by the total number of students Now, multiply the decimal by the total number of students: $$ \text{Number of students in the club} = 0.20 \times 180 $$
Calculate the result Perform the multiplication: $$ 0.20 \times 180 = 36 $$

The number of students in the Environmental Club is (36).

More Information

This calculation shows that 20% of 180 students equals 36. It helps understand how percentages apply in real-life scenarios, such as evaluating involvement in clubs.

Tips

Misinterpreting the percentage: Sometimes, students might think they need to add the percentage to the total instead of multiplying.
Incorrect decimal conversion: Failing to convert the percentage correctly to a decimal can lead to wrong answers. Remember that 20% should be converted to 0.20.

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