Question
The total heights of three hippopotamuses is 1500 cm. Hippopotamus D is thrice as tall as Hippopotamus E. Hippopotamus F is twice as tall as Hippopotamus D. What is the height of Hippopotamus F?
4 m

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The total heights of three hippopotamuses is 1500 cm. Hippopotamus D is thrice as tall as Hippopotamus E. Hippopotamus F is twice as tall as Hippopotamus D. What is the height of Hippopotamus F?