How many seconds does Sandy take to cover a distance of 500 meters, if Sandy runs at a speed of 15 km/hr?  Choose the correct choice from the following answers:
A) 100
B) 120
C) 140
D) 160
E) 180
15 km/hr = 15000 m / 3600 s = (150 / 36) m/s = (25 / 6) m/s   time = 500 / (25/6)= 
<gadget id="calculator">500 / (25/6)</gadget>
<output>120</output>
120 seconds   The answer is 120.
<result>B</result>
How many seconds does Sandy take to cover a distance of 500 meters, if Sandy runs at a speed of 15 km/hr?