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If a pie chart shows that 50% of a class of 40 students prefer online classes, h

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Question: If a pie chart shows that 50% of a class of 40 students prefer online classes, how many students prefer online classes?

Options:

  1. 10
  2. 15
  3. 20
  4. 25

Correct Answer: 20

Solution: 

Number of students preferring online classes = 50% of 40 = 0.5 * 40 = 20.

If a pie chart shows that 50% of a class of 40 students prefer online classes, h

Practice Questions

Q1
If a pie chart shows that 50% of a class of 40 students prefer online classes, how many students prefer online classes?
  1. 10
  2. 15
  3. 20
  4. 25

Questions & Step-by-Step Solutions

If a pie chart shows that 50% of a class of 40 students prefer online classes, how many students prefer online classes?
  • Step 1: Understand that 50% means half of something.
  • Step 2: Know that the total number of students in the class is 40.
  • Step 3: Calculate half of 40 by multiplying 40 by 0.5 (which is the decimal form of 50%).
  • Step 4: Perform the calculation: 0.5 * 40 = 20.
  • Step 5: Conclude that 20 students prefer online classes.
  • Percentage Calculation – Understanding how to calculate a percentage of a total amount.
  • Basic Arithmetic – Applying multiplication to find the number of students based on the percentage.
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