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In a survey of 150 people, 90 like dogs, 70 like cats, and 30 like both. How man

Practice Questions

Q1
In a survey of 150 people, 90 like dogs, 70 like cats, and 30 like both. How many people like only cats?
  1. 40
  2. 70
  3. 90
  4. 120

Questions & Step-by-Step Solutions

In a survey of 150 people, 90 like dogs, 70 like cats, and 30 like both. How many people like only cats?
  • Step 1: Identify the total number of people who like cats, which is 70.
  • Step 2: Identify the number of people who like both dogs and cats, which is 30.
  • Step 3: To find the number of people who like only cats, subtract the number of people who like both from the total number of cat lovers: 70 - 30.
  • Step 4: Calculate the result: 70 - 30 = 40.
  • Step 5: Conclude that 40 people like only cats.
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