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In an aquarium, a Catfish weighed 7712kilograms. After two weeks, its weight was increased to 2515kilograms. But later, it got sick, and lost 410kilograms weight. Now determine the current weight of the Catfish.
 
aquarium-284551_1280.jpg
 
The current weight of the Catfish is
kilograms
 
Reference:
https://pixabay.com/illustrations/aquarium-fish-fish-tank-sea-life-284551/