Mathematics for IGCSE & O level - Rates (Section 1 - No. 31)
In a small town, 300 people live in an area of 2.4 km². Find the population density of the town.
100 people/km²
125 people/km²
150 people/km²
175 people/km²
Giải thích
Population density = number of people / area. 300 people / 2.4 km² = 125 people/km²