# For a survey, a company decided to call 7 out of every 5,000 people. How many people should be called in a town of 78,000 people?

$\frac{x}{78000} = \frac{7}{5000}$ so $x = \frac{7 \left(78000\right)}{5000} = \frac{546}{5} = 109.2$ and it's probably OK to round that to $109$ people.