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A wildlife reserve has 250 animals, and 40% of them are mammals. How many mammal

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Question: A wildlife reserve has 250 animals, and 40% of them are mammals. How many mammals are in the reserve?

Options:

  1. 100
  2. 90
  3. 80
  4. 70

Correct Answer: 100

Solution: 

40% of 250 is 100, so there are 100 mammals.

A wildlife reserve has 250 animals, and 40% of them are mammals. How many mammal

Practice Questions

Q1
A wildlife reserve has 250 animals, and 40% of them are mammals. How many mammals are in the reserve?
  1. 100
  2. 90
  3. 80
  4. 70

Questions & Step-by-Step Solutions

A wildlife reserve has 250 animals, and 40% of them are mammals. How many mammals are in the reserve?
  • Step 1: Understand that 40% means 40 out of every 100 parts.
  • Step 2: Find out how many parts there are in total. In this case, there are 250 animals.
  • Step 3: Calculate 40% of 250. To do this, multiply 250 by 0.40 (which is the decimal form of 40%).
  • Step 4: Perform the multiplication: 250 * 0.40 = 100.
  • Step 5: Conclude that there are 100 mammals in the reserve.
  • Percentage Calculation – Understanding how to calculate a percentage of a total amount.
  • Basic Arithmetic – Performing multiplication to find the number of mammals based on the percentage.
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