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How many red fishes must be removed to make the percentage of red fishes 98%?

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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%?

posted Feb 28, 2017 by Divya Bharti

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1 Answer

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Red fishes to be removed is x

Total fish = 200
Red fish out of total fish = 99%(200)
= 198

To make the red fish percentage to 98%:
total red fish after removing = 98%(total fish after removing)
198-x=98%(200-x)
x = 100

100 fishes should be removed.

answer Feb 28, 2017 by Vigneshvari



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