Answer :
The mass of the shark is 141 kg less than the mass of the whale.
To solve this problem, you subtract the shark's weight from the whale's weight. This way, you will find the difference in mass between the two animals. Given the mass of the whale is 933 kg and the mass of the shark is 792 kg, when you subtract the mass of the shark from the mass of the whale, you get a difference of 141 kg. Therefore the shark is 141 kg less in mass than the whale.
Mathematically, this is represented as:
933 kg (Whale's mass) - 792 kg (Shark's mass) = 141 kg
The answer to the student's question is thus: The shark weighs 141 kg less than the whale.
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