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In a survey of 150 people, 80 people like tea, 60 like coffee, and 30 like both tea and coffee. How many people like only coffee?

Question

In a survey of 150 people, 80 people like tea, 60 like coffee, and 30 like both tea and coffee. How many people like only coffee?

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Solution

To find out how many people like only coffee, you need to subtract the number of people who like both tea and coffee from the total number of people who like coffee.

Here are the steps:

  1. Start with the total number of people who like coffee, which is 60.
  2. Then subtract the number of people who like both tea and coffee, which is 30.

So, 60 (people who like coffee) - 30 (people who like both) = 30.

Therefore, 30 people like only coffee.

This problem has been solved

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