Calculate the density of people per square mile, Mathematics

1.  In 1900, a certain country's population was 77,977,459 and it's area was 2,821,924 square miles, In 2000, the country's population was 283,575,229 and its area was 3,551,003 square miles-

The population density in 1900 was how many people per square mile?

The population density in 2000 was how many people per square mile?

2.  Compare the following pair of numbers A and B in three ways-

A=140 and B=380

a. What is the ratio of A to B?

b. What is the ratio of B to A?

c. A is what percent of B?

Posted Date: 2/28/2013 5:55:23 AM | Location : United States







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