In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model ship?


Let the length of the mast of modal ship be x when the length of the actual ship be 28 cm


The given information in the form of table is as follows:



Height of ship



Length of ship



Modal ship



9



x



Actual ship



12



28



The above information is in direct information:


9/12 = x/28


x = 21 cm


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