Question

According to the authors of a certain book, in a global village of 200 people, 28 suffer frommalnutrition. How many people of the world's 6.9 billion people (2010 population) sufferfrom malnutrition?

Answer 1

Let the number be x

Then

`\begin{gathered} x=(28)/(200)*6.9*10^9 \\ =966000000 \end{gathered}`

Hence 0.966 billion people suffered malnutrition

Which is 1 billion people