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If 15% of a class of 40 students are absent, how many students are present?

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Question: If 15% of a class of 40 students are absent, how many students are present?

Options:

  1. 30
  2. 32
  3. 34
  4. 36

Correct Answer: 34

Solution: 

15% of 40 is calculated as (15/100) * 40 = 6. Therefore, present students = 40 - 6 = 34.

If 15% of a class of 40 students are absent, how many students are present?

Practice Questions

Q1
If 15% of a class of 40 students are absent, how many students are present?
  1. 30
  2. 32
  3. 34
  4. 36

Questions & Step-by-Step Solutions

If 15% of a class of 40 students are absent, how many students are present?
  • Step 1: Find out how many students are absent by calculating 15% of 40.
  • Step 2: To calculate 15%, use the formula (15/100) * 40.
  • Step 3: Perform the multiplication: (15/100) * 40 = 6. This means 6 students are absent.
  • Step 4: To find out how many students are present, subtract the number of absent students from the total number of students: 40 - 6.
  • Step 5: Perform the subtraction: 40 - 6 = 34. So, 34 students are present.
  • Percentage Calculation – Understanding how to calculate a percentage of a total number.
  • Basic Arithmetic – Performing subtraction to find the remaining quantity after a certain percentage is accounted for.
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