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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? |
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Answer» Let the length of the mast of the model ship be x cm. The given information in the form of a table is as follows:
We know that the dimensions of the actual ship and the model ship are directly proportional to each other. Therefore, we obtain: 19/2 = 28/x x = (28 x 9)/12 = 12 Thus, the length of the model ship is 21 cm. |
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