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A national survey shows that 70% of people support a new policy. If 1,000 people

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Question: A national survey shows that 70% of people support a new policy. If 1,000 people were surveyed, how many do not support the policy? (2019)

Options:

  1. 300
  2. 700
  3. 400
  4. 500

Correct Answer: 300

Exam Year: 2019

Solution: 

Number of supporters = 70% of 1,000 = 700. Number of non-supporters = 1,000 - 700 = 300.

A national survey shows that 70% of people support a new policy. If 1,000 people

Practice Questions

Q1
A national survey shows that 70% of people support a new policy. If 1,000 people were surveyed, how many do not support the policy? (2019)
  1. 300
  2. 700
  3. 400
  4. 500

Questions & Step-by-Step Solutions

A national survey shows that 70% of people support a new policy. If 1,000 people were surveyed, how many do not support the policy? (2019)
  • Step 1: Understand that 70% of people support the new policy.
  • Step 2: Know that 1,000 people were surveyed.
  • Step 3: Calculate the number of supporters by finding 70% of 1,000. This is done by multiplying 1,000 by 0.70 (which is 70% as a decimal).
  • Step 4: Perform the calculation: 1,000 * 0.70 = 700. So, 700 people support the policy.
  • Step 5: To find out how many people do not support the policy, subtract the number of supporters from the total number of people surveyed: 1,000 - 700.
  • Step 6: Perform the subtraction: 1,000 - 700 = 300. So, 300 people do not support the policy.
  • Percentage Calculation – Understanding how to calculate a percentage of a total and its complement.
  • Basic Arithmetic – Performing subtraction to find the difference between total and calculated values.
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