Question

In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 15m high. If the length of the ship is 35m, how long is the model ship. Please note the numbers carefully:) ​

Answer 1

Answer:

$★lenth \: of \: the \: ship \\ \:35,x \\ ★height \: of \: the \: mast \\ 15,9 \\since \: more \: the \: length\: of \: the \:\\ ship,more \: would \: be \: the\: \\ lenth \: of \: its \: mast. \: \\ it \: is \: a \: case \: of \: direction \: of \: variation. \\ \frac{35}{x}= \frac{15}{9} \\ x = \frac{35 \times 9}{15}= \frac{315}{15} = 21$