Question
The total heights of three giraffes is 1000 cm. Giraffe B is thrice as tall as Giraffe C. Giraffe D is twice as tall as Giraffe B. What is the height of Giraffe D?
4 m

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The total heights of three giraffes is 1000 cm. Giraffe B is thrice as tall as Giraffe C. Giraffe D is twice as tall as Giraffe B. What is the height of Giraffe D?