How many seconds does Sandy take to cover a distance of 600 meters, if Sandy runs at a speed of 15 km/hr?	Select the correct option.
A) 128  B) 136  C) 144  D) 152  E) 160
15 km/hr = 15000 m / 3600 s = (150 / 36) m/s = (25 / 6) m/s   time = 600 / (25/6)= 
<gadget id="calculator">600 / (25/6)</gadget>
<output>144</output>
144 seconds   The answer is 144.
<result>C</result>
How many seconds does Sandy take to cover a distance of 600 meters, if Sandy runs at a speed of 15 km/hr?