Chapter 6.2, Problem 30E

a.

To determine

To calculate : the population density of New York.

Answer to Problem 30E

The people in Monaco is $303$

Explanation of Solution

Given information :

The question is:

A region population density is the number of people per square mile. The tiny country of Monaco has the highest population density in the world with $33,000$ people living in an area of $0.75$ square mile. The state of New York has a population of about $19,000,000$ people living in an area of about $47,000$ square mile.

Calculation : The people in Monaco

Population density of New York $=404.25$

Area of Monaco $=0.75squaremile$

People in Monaco $=0.75\times 404$

People in Monaco $=303$

b.

To determine

To find: the number of people will live in New York

Answer to Problem 30E

The people live in New York is $2068000000$

Explanation of Solution

Given information : The question is

The population density of Monaco and New York is same

Calculation : The people live in New York,

Then,

  $\frac{33000}{0.75}=\frac{x}{47000}$

Multiply $47000$ to both sides

  $\begin{array}{l}\frac{33000}{0.75}\times 47000=\frac{x}{47000}\times 47000\\ x=2068000000\end{array}$