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There were 200 Fishes in an aquarium, 99% of which were red. How many red fishes must be removed to make the percentage of red fishes 98%

Question

There were 200 Fishes in an aquarium, 99% of which were red. How many red fishes must be removed to make the percentage of red fishes 98%

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Solution

Sure, let's solve this step by step:

  1. First, let's find out how many red fishes are there initially. 99% of 200 is 198 fishes. So, there are 198 red fishes in the aquarium.

  2. Now, we want the red fishes to be 98% of the total. Let's denote the number of fishes after removing some red fishes as 'x'. So, we have the equation 0.98x = 198 - y, where 'y' is the number of red fishes we need to remove.

  3. To solve for 'y', we need to express 'x' in terms of 'y'. Since 'x' is the total number of fishes after removing 'y' red fishes, we have x = 200 - y.

  4. Now, we can substitute x into our equation: 0.98(200 - y) = 198 - y.

  5. Solving this equation gives us y = 2.

So, we need to remove 2 red fishes to make the percentage of red fishes 98%.

This problem has been solved

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