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A conservation area has 80 species of birds. If 10% are migratory, how many migr

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Question: A conservation area has 80 species of birds. If 10% are migratory, how many migratory bird species are there?

Options:

  1. 6
  2. 8
  3. 10
  4. 12

Correct Answer: 8

Solution: 

10% of 80 is 0.10 * 80 = 8.

A conservation area has 80 species of birds. If 10% are migratory, how many migr

Practice Questions

Q1
A conservation area has 80 species of birds. If 10% are migratory, how many migratory bird species are there?
  1. 6
  2. 8
  3. 10
  4. 12

Questions & Step-by-Step Solutions

A conservation area has 80 species of birds. If 10% are migratory, how many migratory bird species are there?
  • Step 1: Understand that we need to find 10% of the total number of bird species.
  • Step 2: Identify the total number of bird species, which is 80.
  • Step 3: Convert 10% into a decimal. 10% is the same as 0.10.
  • Step 4: Multiply the total number of bird species (80) by the decimal (0.10).
  • Step 5: Calculate 0.10 * 80, which equals 8.
  • Step 6: Conclude that there are 8 migratory bird species.
  • Percentage Calculation – Understanding how to calculate a percentage of a given number.
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