A certain telescope increases the visual range at a particular location from 50 kilometers to 150 kilometers. By what percent is the visual range increased by using the telescope ? Choose the correct choice from the following answers: A) 30% B) 33 1/2% C) 40% D) 60% E) 200%
Original visual range = 50 km   New visual range = 150 km   Percent increase in the visual range by using the telescope   = (150-50)/50 * 100%   = 2 * 100= 
<gadget id="calculator">2 * 100</gadget>
<output>200</output>
200 %   Answer 200%
<result>E</result>
A certain telescope increases the visual range at a particular location from 50 kilometers to 150 kilometers. By what percent is the visual range increased by using the telescope ?