Question
The total heights of three ostriches is 1400 cm. Ostrich W is twice as tall as Ostrich X. Ostrich Y is twice as tall as Ostrich W. What is the height of Ostrich Y?
4 m

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The total heights of three ostriches is 1400 cm. Ostrich W is twice as tall as Ostrich X. Ostrich Y is twice as tall as Ostrich W. What is the height of Ostrich Y?