Answer:
1) 504 miles 2) 4,200 miles
Step-by-step explanation:
In 2014, the population of Hong Kong was estimated to be approximately 7,112,688 people. The city covers an area of approximately 426.25 square miles.
The number of people = 7,112,688
City area = 426.25 square miles
The population density =
=
= 16686.65806 people per square mile
The population density of Hong Kong in 2014 is 16687.
Set up an equation 5x+6x+7x=40 and solve for x