Question

Assuming that no person owns more than one cellphone, calculate the percentage of people in Germany and South Africa thats own a cellphone

Germany-72

South Africa-40

Answer 1

If we assume that the provided numbers represent the number of individuals who own a cellphone per 100 people of population, the percentage of people in the country will be

$$\omega_1=\frac{72}{100}·100\%=72\%,\\\space\\ \omega_2=\frac{40}{100}·100\%=40\%.\\\space\\$$