The population of a town increased from 1,45,000 to 2,30,500 in a decade. The average percent increase of population per year is:  Choose one.
A) 4.37%  B) 5.8%  C) 6.8%  D) 8.75%  E) None
Explanation: Increase in 10 years = (230500 - 145000)= 
<gadget id="calculator">(230500 - 145000)</gadget>
<output>85_500</output>
85500.   Increase%= (85500/145000 x 100)% = 58%.   Required average = (58/10)= 
<gadget id="calculator">(58/10)</gadget>
<output>29/5 = around 5.8</output>
5.8%.   Answer: Option 5.8%
<result>B</result>
The population of a town increased from 1,45,000 to 2,30,500 in a decade. The average percent increase of population per year is: