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In a biodiversity study, researchers found that 15% of the 1200 species observed

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Question: In a biodiversity study, researchers found that 15% of the 1200 species observed were new to science. How many new species were discovered?

Options:

  1. 150
  2. 180
  3. 120
  4. 200

Correct Answer: 180

Solution: 

15% of 1200 is 180, so 180 new species were discovered.

In a biodiversity study, researchers found that 15% of the 1200 species observed

Practice Questions

Q1
In a biodiversity study, researchers found that 15% of the 1200 species observed were new to science. How many new species were discovered?
  1. 150
  2. 180
  3. 120
  4. 200

Questions & Step-by-Step Solutions

In a biodiversity study, researchers found that 15% of the 1200 species observed were new to science. How many new species were discovered?
  • Step 1: Understand that 15% means 15 out of every 100.
  • Step 2: To find 15% of 1200, first convert 15% to a decimal. 15% as a decimal is 0.15.
  • Step 3: Multiply the total number of species (1200) by the decimal (0.15).
  • Step 4: Calculate 1200 * 0.15, which equals 180.
  • Step 5: Conclude that 180 new species were discovered.
  • Percentage Calculation – Understanding how to calculate a percentage of a total amount.
  • Basic Arithmetic – Performing multiplication to find the number of new species.
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