An ant walks an average of 600 meters in 12 minutes. A beetle walks 15% less distance at the same time on the average. Assuming the beetle walks at her regular rate, what is its speed in km/h?	Choose the correct option:  A) 2.215.  B) 2.55  C) 2.775.  D) 3.2.  E) 3.5.
the ant walks an average of 600 meters in 12 minutes   600 meters in 1/5 hours   the beetle walks 15% less distance = 600-90= 
<gadget id="calculator">600-90</gadget>
<output>510</output>
510 meters in 12 minutes   0.510 km in 12/60= 1/5 hours   speed = 0.510*5= 
<gadget id="calculator">0.510*5</gadget>
<output>2.55</output>
2.55 km/h   Correct answer 2.55=2.55
<result>B</result>
An ant walks an average of 600 meters in 12 minutes. A beetle walks 15% less distance at the same time on the average. Assuming the beetle walks at her regular rate, what is its speed in km/h?