Question

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 mast of the ship is 28 m,
how long is the mast of the model ship​

Answer 1

Answer:

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Answer 2

Answer:

$\bf \: {height \: of \: mast \: of \: model \: ship \: = 9cm} \\ \\ \bf \: {height \: of \: mast \: of \: actual \: ship = 12m} \\ \bf \: \: \: \: \: \: \: \: = 12 \times 100 = 1200cm \\ \\ \bf \: length \: of \: mast \: of \: actual \: ship \: = 28m \\ \bf \: = 28 \times 100 = 2800cm \\ \\ \bf \: length \: of \: mast \: of \: model \: ship = \frac{9}{1200} \times 2800 \\ \bf \: = 3 \times 7 cm\\ \bf \: 21cm$

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