Out of 50 students in class, 40 opted to go for a picnic. What percentage of students opted for the picnic?
Understand the Problem
The question is asking us to calculate what percentage of the students opted to go for a picnic. To solve this, we will use the formula for percentage: (number of students opting for picnic / total number of students) * 100.
Answer
25%
Answer for screen readers
25%
Steps to Solve
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Identify the numbers Start by identifying the number of students who opted for the picnic and the total number of students. For example, let's say 30 students opted for the picnic and there are 120 students in total.
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Write down the percentage formula To find the percentage of students who opted for the picnic, use the formula:
$$ \text{Percentage} = \left( \frac{\text{Number of students opting for picnic}}{\text{Total number of students}} \right) \times 100 $$
- Substitute the values into the formula Substituting the specific values into the formula gives:
$$ \text{Percentage} = \left( \frac{30}{120} \right) \times 100 $$
- Calculate the fraction Now, calculate the fraction first:
$$ \frac{30}{120} = 0.25 $$
- Convert to percentage Lastly, multiply by 100 to convert the decimal to a percentage:
$$ 0.25 \times 100 = 25 $$
Therefore, 25% of the students opted to go for the picnic.
25%
More Information
In this case, 25% indicates that a quarter of the total students chose to participate in the picnic. Understanding percentages is a useful skill in various real-life situations, such as budgeting, statistics, and market analysis.
Tips
- Forgetting to multiply by 100 when converting a decimal to a percentage. To avoid this, always remember to apply the final multiplication step in the percentage formula.
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