In the United States in 1850 there were 176 physicians per 1

In the United States in 1850, there were 176 physicians per 100,000 people in the population; how many physicians were there per 100,000 people in 2007?

Solution

In 1850, there were 176 physicians per 100,000 people in the population.

In 2007, that is after 157 years there were 176*150 =26,400 physicians