Question
The total mass of a puppy, a mouse and a kitten is 9.9 kg. The mouse is 0.3 kg heavier than the puppy. The kitten is 4 times as heavy as the mouse. Find the mass of the kitten.
4 m

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The total mass of a puppy, a mouse and a kitten is 9.9 kg. The mouse is 0.3 kg heavier than the puppy. The kitten is 4 times as heavy as the mouse. Find the mass of the kitten.