There are 9 cm between points A and B. So we must multiply 9 by 18,000 to get 162,000 cm. Since the question asks for the answer to be in metres, we must now divide by 100. The answer is therefore ...

The four main points of the compass are north, east, south and west. Half way between each of these there are four other points: north-east, south-east, south-west and north-west. This makes an ...