The number of people who moved to live in a small town per 200 persons is 10.5. if the number of person who leave the town per 200 persons is 5.5 how long will it take for the population of 1000 people to double.	Choose the correct choice from the following
A) 25  B) 30  C) 40  D) 10  E) 2
Annual increase is (200 + 10.5 - 5.5)*5= 
<gadget id="calculator">(200 + 10.5 - 5.5)*5</gadget>
<output>1_025</output>
1025   Hence every year there is an increase of 25   for the population to double we needs additional 1000   therefore  1000/25= 
<gadget id="calculator"> 1000/25</gadget>
<output>40</output>
40   correct option is 40)
<result>C</result>
The number of people who moved to live in a small town per 200 persons is 10.5. if the number of person who leave the town per 200 persons is 5.5 how long will it take for the population of 1000 people to double.